\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{kmz\_2022} \pdfinfo{ /Title (ap-biology-unit-7.pdf) /Creator (Cheatography) /Author (kmz\_2022) /Subject (AP Biology: Unit 7 Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{C130FF} \definecolor{LightBackground}{HTML}{F7E5FF} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{AP Biology: Unit 7 Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{kmz\_2022} via \textcolor{DarkBackground}{\uline{cheatography.com/145729/cs/31763/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}kmz\_2022 \\ \uline{cheatography.com/kmz-2022} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 10th May, 2022.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Natural Selection Background}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\}{\emph{2 definitions of evolution}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{1. descent with modification} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{2. change in the genetic composition of a population from generation to generation} \tn % Row Count 4 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{} \tn % Row Count 4 (+ 0) % Row 4 \SetRowColor{LightBackground} {\bf{natural selection:}} & individuals with certain inherited traits tend to survive and reproduce more than others because of those traits \tn % Row Count 9 (+ 5) % Row 5 \SetRowColor{white} {\bf{ artificial selection:}} & breeding to encourage the occurrence of desirable traits \tn % Row Count 12 (+ 3) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{*individuals don't evolve, {\emph{populations evolve}}} \tn % Row Count 14 (+ 2) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{*natural selection only works on traits that differ in individuals} \tn % Row Count 16 (+ 2) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{*environmental factors change, so favorable traits change} \tn % Row Count 18 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Important People}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{1. Linnaeus}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{- made the format of naming species} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{2. Cuvier}}} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{- catastrophism:}} catastrophes cause changes in species} \tn % Row Count 5 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{3. Hutton}}} \tn % Row Count 6 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{- Earth's geological features due to mechanisms still around today (ex. rock cycle)} \tn % Row Count 8 (+ 2) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{4. Lyell}}} \tn % Row Count 9 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{- uniformitarianism:}} same processes occurring today also happened in the past} \tn % Row Count 11 (+ 2) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{5. Lamarck}}} \tn % Row Count 12 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{- use and disuse:}} parts of the body used become more advanced and those not used deteriorate} \tn % Row Count 14 (+ 2) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{- inheritance of acquired traits =}} organisms pass modifications to offspring} \tn % Row Count 16 (+ 2) % Row 11 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{6. Darwin}}} \tn % Row Count 17 (+ 1) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{- development of the theory of {\emph{natural selection}}} \tn % Row Count 18 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Darwin's Evidence for Evolution}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{1. homology}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{↳ similarity in characteristics resulting from a shared ancestry} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\emph{- homologous structures:}} structures in different species that are similar (structurally) because of common ancestry} \tn % Row Count 6 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\emph{- vestigial structure:}} feature of an organism that is a historical remnant of one once used} \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{2. embryology}}} \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{↳ structures present in embryos can explain the similarities in different species} \tn % Row Count 11 (+ 2) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\emph{- convergent evolution:}} similar features in independent evolutionary lineages} \tn % Row Count 13 (+ 2) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\emph{- analogous structures:}} characteristics that are similar because of convergent evolution} \tn % Row Count 15 (+ 2) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{3. fossils}}} \tn % Row Count 16 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{- indicate structural similarities between different species} \tn % Row Count 18 (+ 2) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{- document formation of new species} \tn % Row Count 19 (+ 1) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\bf{4. biogeography}}} \tn % Row Count 20 (+ 1) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{↳ study of the past and present geographic distribution of species} \tn % Row Count 22 (+ 2) % Row 13 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\bf{5. artificial selection}}} \tn % Row Count 23 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Allele Frequency}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{\{\{ac\}\} 3 MECHANISMS THAT CHANGE ALLELE FREQUENCY} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\bf{1. Natural Selection}}} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{↳ improves the match between organism and the environment} \tn % Row Count 4 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\bf{2. Genetic Drift}}} \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{↳ chance events alter allele frequencies} \tn % Row Count 6 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{↳ {\emph{founder effect\textasciitilde{}}} few individuals isolated from the larger population \& establish a new population} \tn % Row Count 9 (+ 3) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{↳ {\emph{bottleneck effect\textasciitilde{}}} population is reduced by natural disasters/human actions} \tn % Row Count 11 (+ 2) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{{\bf{3. Gene Flow}}} \tn % Row Count 12 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{↳ transfer of alleles between populations (from migration \& mating)} \tn % Row Count 14 (+ 2) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 14 (+ 0) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{genetic variation:}} differences in individuals composition of their genes/DNA segments (ex. mutations)} \tn % Row Count 17 (+ 3) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{↳ in sexual reproduction= {\emph{crossing over; independent assortment; fertilization}}} \tn % Row Count 19 (+ 2) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{geographic variation:}} differences in the gene pools of geographically separate populations} \tn % Row Count 21 (+ 2) % Row 13 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{↳ {\emph{cline\textasciitilde{}}} graded change in a character along a geographic axis} \tn % Row Count 23 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{(\textasciicircum{} {\emph{microevolution}} \textasciicircum{})} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.36 cm} x{4.64 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Hardy-Weinberg}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Hardy-Weinberg principle:}} & frequencies of alleles and genotypes remain constant for each generation \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{↳ Hardy-Weinberg equilibrium predicts the allele frequencies in a nonevolving population} \tn % Row Count 6 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\}{\bf{5 Conditions}}} \tn % Row Count 7 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{1. NO Mutations}}} \tn % Row Count 8 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{2. Random Mating}}} \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{3. NO Natural Selection}}} \tn % Row Count 10 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{4. Large Population Size}}} \tn % Row Count 11 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{5. No Gene Flow}}} \tn % Row Count 12 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{* if one not present -{}-{}- genes evolving} \tn % Row Count 13 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{(\textasciicircum{} {\emph{microevolution}} \textasciicircum{})} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Hardy-Weinberg Equations}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/kmz-2022_1650470626_H-W equations.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{block}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 0 (+ 0) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.28 cm} x{4.72 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Selection}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{relative fitness:}} & contribution an individual makes to the gene pool in relation to their ability to survive in their environment \tn % Row Count 5 (+ 5) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\} {\bf{{\emph{3 MODES OF SELECTION}}}}} \tn % Row Count 6 (+ 1) % Row 2 \SetRowColor{LightBackground} {\bf{1. Directional selection}} & favors 1 extreme/side \tn % Row Count 8 (+ 2) % Row 3 \SetRowColor{white} {\bf{2. Disruptive selection}} & favors both extremes/sides \tn % Row Count 10 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{3. Stabilizing selection}} & favors intermediate \tn % Row Count 12 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\}{\bf{Sexual Selection}}} \tn % Row Count 13 (+ 1) % Row 6 \SetRowColor{LightBackground} {\bf{ sexual selection:}} & individuals with certain characteristics are more likely to obtain a mate \tn % Row Count 17 (+ 4) % Row 7 \SetRowColor{white} {\bf{sexual dimorphism:}} & differences between secondary sex characteristics of males and females \tn % Row Count 21 (+ 4) % Row 8 \SetRowColor{LightBackground} {\bf{intrasexual selection:}} & competition among individuals of 1 sex for mates \tn % Row Count 24 (+ 3) % Row 9 \SetRowColor{white} {\bf{intersexual selection:}} & 1 sex choosy in selecting their mates of the other sex \tn % Row Count 27 (+ 3) % Row 10 \SetRowColor{LightBackground} {\bf{heterozygote advantage:}} & better reproductive success of heterozygotes (preserve variation) \tn % Row Count 30 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{(\textasciicircum{} {\emph{microevolution}} \textasciicircum{})} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{block}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 0 (+ 0) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Speciation}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{adaptive radiation}} & period in which organisms form many new species whose adaptations have them fill different niches \tn % Row Count 5 (+ 5) % Row 1 \SetRowColor{white} {\bf{punctuated equilibrium}} & long periods which a species undergoes little change interrupted by brief periods of sudden change \tn % Row Count 10 (+ 5) % Row 2 \SetRowColor{LightBackground} {\bf{reproductive isolation:}} & biological factors that impede members of 2 species from producing viable, fertile offspring \tn % Row Count 15 (+ 5) % Row 3 \SetRowColor{white} {\bf{postzygotic barrier:}} & reproductive barrier that prevents hybrid zygotes from developing \tn % Row Count 18 (+ 3) % Row 4 \SetRowColor{LightBackground} {\bf{ hybrid:}} & offspring resulting from the mating of 2 different species \tn % Row Count 21 (+ 3) % Row 5 \SetRowColor{white} {\bf{prezygotic barrier:}} & reproductive barrier that hinders the fertilization between species \tn % Row Count 25 (+ 4) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{border=1\}\}\{\{ac\}\} {\bf{PREZYGOTIC BARRIERS}}} \tn % Row Count 26 (+ 1) % Row 7 \SetRowColor{white} {\bf{1. Habitat isolation}} & different habitats then they never interact \tn % Row Count 28 (+ 2) % Row 8 \SetRowColor{LightBackground} {\bf{2. Temporal isolation}} & breed at different times of the day/seasons/years \tn % Row Count 31 (+ 3) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Speciation (cont)}} \tn % Row 9 \SetRowColor{LightBackground} {\bf{3. Behavioral isolation}} & courtship rituals differ \tn % Row Count 2 (+ 2) % Row 10 \SetRowColor{white} {\bf{4. Mechanical isolation}} & morphological differences \tn % Row Count 4 (+ 2) % Row 11 \SetRowColor{LightBackground} {\bf{5. Gamete isolation}} & sperm can't fertilize egg \tn % Row Count 6 (+ 2) % Row 12 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{border=1\}\}\{\{ac\}\} {\bf{POSTZYGOTIC BARRIERS}}} \tn % Row Count 7 (+ 1) % Row 13 \SetRowColor{LightBackground} {\bf{1. Reduced hybrid viability}} & genes of parents impair hybrid development/survival \tn % Row Count 10 (+ 3) % Row 14 \SetRowColor{white} {\bf{2. Reduced hybrid fertility}} & hybrid sterile due to chromosomes from parents \tn % Row Count 13 (+ 3) % Row 15 \SetRowColor{LightBackground} {\bf{3. Hybrid breakdown}} & when hybrids mate, offspring are feeble/sterile \tn % Row Count 16 (+ 3) % Row 16 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{border=1\}\}\{\{ac\}\} {\bf{Species Concepts}}} \tn % Row Count 17 (+ 1) % Row 17 \SetRowColor{LightBackground} {\bf{a.}} {\emph{morphological}} & by body shape/structural features \tn % Row Count 19 (+ 2) % Row 18 \SetRowColor{white} {\bf{b.}} {\emph{ecological}} & by ecological niche \tn % Row Count 21 (+ 2) % Row 19 \SetRowColor{LightBackground} {\bf{c.}} {\emph{phylogenetic}} & smallest group that share a common ancestor \tn % Row Count 23 (+ 2) % Row 20 \SetRowColor{white} {\bf{d.}}{\emph{* biological*}} & by inbreeding of members \tn % Row Count 25 (+ 2) % Row 21 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{↳ limitations: designates absence of gene flow \& doesn't apply to asexual organisms} \tn % Row Count 27 (+ 2) % Row 22 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{border=1\}\}\{\{ac\}\} {\bf{Speciation Types}}} \tn % Row Count 28 (+ 1) % Row 23 \SetRowColor{LightBackground} {\bf{a.}}{\emph{ allopatric speciation}} & when a species is geographically isolated from original population \tn % Row Count 31 (+ 3) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Speciation (cont)}} \tn % Row 24 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{↳ geographic separation → mutations → reproductive isolation → speciation} \tn % Row Count 2 (+ 2) % Row 25 \SetRowColor{white} {\bf{b.}} {\emph{sympatric speciation}} & when a species is isolated with NO geographic isolation \tn % Row Count 5 (+ 3) % Row 26 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{↳ ex). disruptive selection; polyploidy; lateral transfer} \tn % Row Count 7 (+ 2) % Row 27 \SetRowColor{white} {\bf{c.}} {\emph{parapatric speciation}} & when species interbreed over a geographic continuum \tn % Row Count 10 (+ 3) % Row 28 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{↳ ex). clines- elevation change} \tn % Row Count 11 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{(\textasciicircum{} {\emph{macroevolution}} \textasciicircum{})} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.96 cm} x{5.04 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Phylogeny}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{phylogeny}} & evolutionary history of a species/group of organisms \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} {\bf{phylogenetic tree}} & branching diagram representing the evolutionary history of organisms \tn % Row Count 6 (+ 3) % Row 2 \SetRowColor{LightBackground} {\bf{taxonomy}} & naming and classifying forms of life \tn % Row Count 8 (+ 2) % Row 3 \SetRowColor{white} {\bf{taxon}} & taxonomic unit at any given level of classification \tn % Row Count 11 (+ 3) % Row 4 \SetRowColor{LightBackground} {\bf{cladistics}} & organisms are placed into groups called clades based on common descent \tn % Row Count 14 (+ 3) % Row 5 \SetRowColor{white} {\bf{clade}} & groups of species that includes an ancestral species \& ALL its descents \tn % Row Count 17 (+ 3) % Row 6 \SetRowColor{LightBackground} {\bf{monophyletic group}} & a common ancestor \& ALL its descendents \tn % Row Count 19 (+ 2) % Row 7 \SetRowColor{white} {\bf{ paraphyletic group}} & a common ancestor \& SOME of its descendants \tn % Row Count 21 (+ 2) % Row 8 \SetRowColor{LightBackground} {\bf{ polyphyletic group}} & derived from 2+ different ancestors \tn % Row Count 23 (+ 2) % Row 9 \SetRowColor{white} {\bf{outgroup}} & group that is least closely related to the other oganisms \tn % Row Count 26 (+ 3) % Row 10 \SetRowColor{LightBackground} {\bf{ancestral character}} & character shared by members of a certain clade originated in an ancestor not a member of the clade \tn % Row Count 30 (+ 4) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{2.96 cm} x{5.04 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Phylogeny (cont)}} \tn % Row 11 \SetRowColor{LightBackground} {\bf{ derived character}} & character that is new/unique to a certain clade \tn % Row Count 2 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Phylogenetic Tree vs. Cladogram}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/kmz-2022_1650921778_phylogeny.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{* represent hypotheses} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{1.84 cm} x{6.16 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Binomial Nomenclature}} \tn % Row 0 \SetRowColor{LightBackground} - made by: & {\emph{Linnaeus}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} - two parts: & genus \& species \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} - rules: & first word capitalized, second lowercase \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} & all italicized/underlined \tn % Row Count 7 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\} {\bf{8 LEVELS OF CLASSIFICATION}}} \tn % Row Count 8 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\} (Dear King Philip Came Over For Good Soup)} \tn % Row Count 9 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\} {\bf{D}}omain → {\bf{K}}ingdom → {\bf{P}}hylum → {\bf{C}}lass → {\bf{O}}rder → {\bf{F}}amily → {\bf{G}}enus → {\bf{S}}pecies} \tn % Row Count 12 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Kingdoms \& Domains}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/kmz-2022_1650922660_kingdoms.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{* protista kingdom not really considered (closely related to the other eukarya kingdoms) \newline * evidence of common ancestry of all eukaryotes = {\emph{membrane-bound organelles, linear chromosomes, \& introns}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.28 cm} x{4.72 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Prokaryotes Information}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{(bacteria, archaea, \& protists)} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} {\bf{capsule/slime layer}} & protects against dehydration/shield against immune system \tn % Row Count 4 (+ 3) % Row 2 \SetRowColor{LightBackground} {\bf{fimbriae}} & hair like appendages used to attach to host \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} {\bf{pilli}} & appendages that pull 2 cells together \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{nucleoid}} & region in a prokaryotic cell where DNA is located \tn % Row Count 11 (+ 3) % Row 5 \SetRowColor{white} {\bf{positive chemotaxis}} & movement TOWARDS nutrients/oxygen \tn % Row Count 13 (+ 2) % Row 6 \SetRowColor{LightBackground} {\bf{ negative chemotaxis}} & movement AWAY from a toxic substance \tn % Row Count 15 (+ 2) % Row 7 \SetRowColor{white} {\emph{endospore}} & can survive in harsh/insufficient environments (dormant but viable) \tn % Row Count 18 (+ 3) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{bt=2\}\}\{\{ac\}\} {\bf{POPULATION GROWTH}}} \tn % Row Count 19 (+ 1) % Row 9 \SetRowColor{white} - in ideal lab conditions = & 20 minutes \tn % Row Count 21 (+ 2) % Row 10 \SetRowColor{LightBackground} - typical human intestines = & 12-24 hours \tn % Row Count 23 (+ 2) % Row 11 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{bb=1\}\}\{\{ac\}\} {\emph{4 Limitations}}} \tn % Row Count 24 (+ 1) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{1. {\emph{exhaust}} nutrient supply} \tn % Row Count 25 (+ 1) % Row 13 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{2. {\emph{poison}} themselves with metabolic wastes} \tn % Row Count 26 (+ 1) % Row 14 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{3. {\emph{competition}} from other microorganisms} \tn % Row Count 27 (+ 1) % Row 15 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{4. {\emph{consumed}} by other organisms} \tn % Row Count 28 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Bacterial DNA Transfer Types}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/kmz-2022_1650924183_bacterial dna transfer.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{transformation:}} assimilation of external DNA \newline {\bf{ transduction:}} viruses carry bacterial DNA from one cell to another \newline {\bf{ conjugation:}} direct transfer of DNA} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Endosymbiosis}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{Mitochondria\textasciitilde{}}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{- first eukaryotes acquired mitochondria by engulfing an aerobic prokaryote} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{↳ evidence: DNA data \& found in all eukaryotes} \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\emph{Plasids\textasciitilde{}}}} \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{- eukaryotes acquired photosynthetic bacterium that evolved into plastids} \tn % Row Count 7 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{↳ evidence: plastid and photosynthetic bacterium genes closely resemble} \tn % Row Count 9 (+ 2) % Row 6 \SetRowColor{LightBackground} {\bf{secondary endosymbiosis}} & process in which a eukaryotic cell engulfed a photosynthetic eukaryotic cell \tn % Row Count 13 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Early Earth}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{- Miller \& Urey experiment: }} & demonstrated how the atmosphere could spontaneously produce organic molecules \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{↳ other possible source of organic molecules: {\emph{volcanoes or deep-sea vents}}} \tn % Row Count 6 (+ 2) % Row 2 \SetRowColor{LightBackground} {\bf{protocell}} & abiotic precursor of a living cell that had an internal chemistry different from its surroundings \tn % Row Count 11 (+ 5) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{↳ created spontaneously when {\emph{lipids are added to water}}} \tn % Row Count 13 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{*RNA World}} & life on Earth began with an RNA molecule that could copy itself \tn % Row Count 16 (+ 3) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{↳ {\bf{ribozymes\textasciitilde{}}} enzyme that makes copies of RNA} \tn % Row Count 17 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{bt=2\}\}{\bf{\{\{ac\}\} EVENTS}}} \tn % Row Count 18 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{1. earth formation} \tn % Row Count 19 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{2. stromatolites/oldest cells (unicellular)} \tn % Row Count 20 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{3. photosynthetic bacteria (releases O`2`)} \tn % Row Count 21 (+ 1) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{4. aerobic respiration} \tn % Row Count 22 (+ 1) % Row 11 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{5. eukaryotic organisms} \tn % Row Count 23 (+ 1) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{6. sexual reproduction} \tn % Row Count 24 (+ 1) % Row 13 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{7. \seqsplit{multicellular/terrestrial} algae} \tn % Row Count 25 (+ 1) % Row 14 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{bb=1\}\}* more O`2` in atmosphere helps ozone protect against radiation} \tn % Row Count 27 (+ 2) % Row 15 \SetRowColor{white} {\bf{Cambrian explosion}} & brief time in history when there was an explosion of land \& water diversity \tn % Row Count 31 (+ 4) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Early Earth (cont)}} \tn % Row 16 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{↳ claws \& defensive adaptation become present} \tn % Row Count 1 (+ 1) % Row 17 \SetRowColor{white} mass extinction causes... & volcanic eruptions; asteroids/comets; human actions \tn % Row Count 4 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Fossils}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{\{\{ar\}\} FOSSILIZATION }} & {\bf{RATES}}\{\{width=50\}\} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \{\{border=1\}\}\{\{ac\}\}HIGH & \{\{border=1\}\}\{\{ac\}\}LOW \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} - existed a long time & \{\{bl=1\}\}- existed a short time \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} - \seqsplit{abundant/widespread} & \{\{bl=1\}\}- not abundant \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} - hard shells/skeleton & \{\{bl=1\}\}- soft/no shell/ no skeleton \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} - sedimentary rock & \{\{bl=1\}\}- not in sediments \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} \{\{bt=1\}\} {\bf{radiometric dating}} & \{\{bt=1\}\}method to determine absolute age based on half-life \tn % Row Count 15 (+ 3) % Row 7 \SetRowColor{white} - isotope used: & carbon 14 (becomes nitrogen 14) \tn % Row Count 17 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}