Food Web Notes
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Transcript of Food Web Notes
-
7/29/2019 Food Web Notes
1/7
ProducersPlantsarecalledproducersbecausetheyproducetheirownfood.
Theydothisbyconvertingenergyfromthesun,carbondioxide
fromthetheair,andwater,usuallyfromthesoil,intosugar.Thisprocessiscalledphotosynthesis.
Throughtheprocess
ofphotosynthesis,
oxygenisproduced
andreleasedinto
theatmosphere.We
breathoxygenin
andcarbondioxide
out.Weneedplantstobreathe-to
exist.
CreatedbyJenGallays2013
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7/29/2019 Food Web Notes
2/7
GiantCaliforniaredwoodtreesmaybeourbestdefenseagainst
globalclimatechange.
Plantspurifytheair.Itsagood
ideatohavetheminyourhouseandclassroom.NASAhascome
upwithalistofthetopplants
theyrecommendforhomes.
CreatedbyJenGallays2013
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7/29/2019 Food Web Notes
3/7
PrimaryConsumersOrganismsthatgettheirenergybyconsumingproducers
(plants)arecalledprimaryconsumers.Wecalltheseorganisms
herbivores.
Outofthe100%oftheenergythatplantsgetthrough
photosynthesis-only10%ofthatenergyispassedontotheprimaryconsumer.
CreatedbyJenGallays2013
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7/29/2019 Food Web Notes
4/7
SecondaryConsumersOrganismsthatgettheirenergybyconsumingprimary
consumers(herbivores)arecalledsecondaryconsumers.Wecall
theseorganismscarnivores.
Ourofthe100%oftheenergythatplantsgetthroughphotosynthesis-only10%ofthatenergyispassedonto
theprimaryconsumer.Outofthat10%-only10%ofthat
energyispassedontoasecondaryconsumer.(Basically,
thatmeansthatcarnivoresget1%oftheoriginalplant
energythatwascreatedthroughphotosynthesis.CreatedbyJenGallays2
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7/29/2019 Food Web Notes
5/7
PrimaryandSecondaryConsumersOmnivorescanbeconsideredprimaryandsecondaryconsumers.
Theseorganismsconsumebothplantsandanimals.
CreatedbyJenGallays2013
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7/29/2019 Food Web Notes
6/7
detr
itivor
eDetritivores
aidindecompositionby
eatingorganic
matterand
returningnutrientstothe
soilmorequickly.
CreatedbyJenGallays2013
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7/29/2019 Food Web Notes
7/7
FoodWebEnergymovesthroughafoodweb.Itstartswithplant
photosynthesis.Asorganismseatplants,thereisenergy
transferredfromplanttoorganism.Inthisweb,theenergy
movesfromgrasstograsshoppertomousetosnaketohawk.
Deadanddecayingmatterisconsumedbydecomposersandthe
energyisputbackintothesoiltobeusedbyplantsagain.This
createsanenergycyclethatcontinuesonforever.
Photos taken from Google images. Cartoon diagrams taken from Shepard Software and were created by Jasmine Chapga
CreatedbyJenGallays2