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Summary GCSE Biology Chapter 8: Ecology

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An in-depth summary of all of the content in the Ecology topic of GCSE Biology (Edexcel International). This content is also covered in AQA and other exam syllabi

Institution
GCSE
Module
Science








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Summarized whole book?
No
Which chapters are summarized?
Chapter 8
Uploaded on
April 17, 2023
Number of pages
7
Written in
2022/2023
Type
Summary

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ninons
EcologyDeh


Producer is a manthatprovidesenergyformenessoftheecosystembyconvertingeigueenergytochemicalenergyviapnorosynme


consumer is ananimalmoregainsuinenaenergybyean
nganomerpramoranimal
Decomposers is aftereach
trophiceeveedies decomposersbreakdowntheirdeadmaterialandwaste

ecosy
seem aseucontainedunitmadeupof an the interactingbroncandanionasacrors

Habitat the peace in whichanorganismeives

Population agroupofthesamespeciesthouoccupiesthesameareaonthesametime

community theindividualsofanspeciesthanlive inmesamearea

Biodiversity thevarietyofspecieslivingin anareawhereagreaterspreadmeansagreaterbiodiversity



Bionicfactors D AbioncFactors

Couperinon Ligueintensity toxins
arrearsaismbunon
affectspopulationsize
Predation affecrpopmanonsize soilpH Gradient anddistribution

Disease mineralavailability


abioticsacrorscanchange acrossa nounran
Howto measure population size comparedisrribunionusingbelttransects

Placea quadraton a randomlygeneratedpoint mark our a line alongthe areabeingstudied

comearetheorganismswiruinthequad correctdatafromaeongmeline
ran byconningme
repeatusingnineonepoiners ofspeciesin me quadran
number

wornoverthemeannumberoforganisms Findme meannumberoforganisms

scareuptotheermine area Pcor a graphno see is meanoinicfavorcorrorates

to me dismbunon

Howtomeasurebiodiversity

Placethequad
ranon arandomlygeneratedspaandcornermenumberofspecies Repeatninemoretimesandcaecuateme mean
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