\documentclass[10pt,a4paper]{article}

% Packages
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\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
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%\usepackage[utf8x]{inputenc}    % For unicode character support
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\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{Study geek}
\pdfinfo{
  /Title (interactions-within-ecosystems.pdf)
  /Creator (Cheatography)
  /Author (Study geek)
  /Subject (Interactions within ecosystems Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% 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
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\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{Interactions within ecosystems Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Study geek} via \textcolor{DarkBackground}{\uline{cheatography.com/203345/cs/43305/}}}
\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}Study geek \\
  \uline{cheatography.com/study-geek} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 3rd May, 2024.\\
   Updated 3rd May, 2024.\\
   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*}{3}

\begin{tabularx}{5.377cm}{x{1.79172 cm} x{3.18528 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Interdependence of organisms}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{width=50\}\}Producer: & Makes its own food via photosynthesis \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Primary consumer & Feeds mainly on plants \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Secondary consumer & Feeds mainly on other animals \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Scavenger & Feeds on dead animals \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Decomposer & Feeds on dead and decay matters \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Food chain}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{width=100\}\} Producer -\textgreater{} Primary consumer -\textgreater{} Secondary consumer -\textgreater{} Tertiary consumer} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{From one tropic level to the next tropic level, 90\% of the energy is lost as heat to the surroundings} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Only 10\% of the energy from one tropic level is transferred to the next tropic level} \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Food chain}}  \tn
% Row 0
\SetRowColor{LightBackground}
A typical food chain & shows the sequence of organisms through which energy from the sun is transferred \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
A typical food chain usually has no more than five trophic levels & Energy in food is not sufficient to support the growth of living organisms after five trophic levels \tn 
% Row Count 9 (+ 5)
% Row 2
\SetRowColor{LightBackground}
 & recall: only 10\% of the energy is transferred from one trophic level to the next trophic level \tn 
% Row Count 14 (+ 5)
% Row 3
\SetRowColor{white}
Pyramid of numbers & represents the number of living organism in each trophic level \tn 
% Row Count 18 (+ 4)
% Row 4
\SetRowColor{LightBackground}
processes that cause energy in food to be lost & e.g. Respiration, undigested food passing out of body as waste \tn 
% Row Count 22 (+ 4)
% Row 5
\SetRowColor{white}
Energy conversion & from light energy from the sun to chemical energy in food at each trophic level \tn 
% Row Count 26 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.04517 cm} x{3.93183 cm} }
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Definition:}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Herbivores} & animals that eat plants \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Carnivores} & animals that eat meat \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Omnivores} & animals that eat both plants and meat \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}