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Class notes

Ecology IB Biology Year 1 Notes

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Written in
2023/2024

This document provides an in-depth description and explanation of ecology concepts such as niches, speciation, the carbon cycle, energy flow, mesocosms, modes of nutrition, climate change, specialist vs. generalists, evolution, classification, and more.

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Institution
Junior / 11th Grade
Course
IB Biology








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Written for

Institution
Junior / 11th grade
Course
IB Biology
School year
3

Document information

Uploaded on
February 23, 2025
Number of pages
4
Written in
2023/2024
Type
Class notes
Professor(s)
Jeida pinto
Contains
All classes

Subjects

Content preview

ETgystmmary
Tataleptasentate
Species Communities annal Ecosystems
thatcaninterbreedandproduceoffsprings
species agroupoforganisms Mesocosm

ecologystudyofthe livingorganismsandtheir
between
relationships mesocosmenclosedenviornmentsthat
allowus toobservenaturalenviornme
nviornment undercontrolledconditions
Levelsof
ecologicalorganization sustainableecosystem
individual
energyavailability
population
community ofnutrientsbysapotrophs
nutrientavailability recycling
ecosystem recyclingofwastes
biosphere


speciationMechanisms autotrophcanproduce itsownfoodusinglightwatercarbondioxiderathe
eographicalpopbecomesgeographical isolated chemicals

barriersmountainsriversoceans

m eatsotherplantsoranimals
heterotrophs forenergynutrients
Behavioraluniquebehavioralpatternsrituals birdsfishhumans
Dogs
attractmatesofsame
species detritivores feedsondeadorganic
material

n obtainsorganicnutrientsby
internaldigestion
Niches fungi
earthwormstermites
undamentainione resource habitataspeciescouldtheoreticallyuse bigger sapotropnsfeedson organicmatter
decaying

nineresourcehabitat obtainsorganicnutrientsbyexternaldigestion absorbs
produ
intraspecificwithin
samespecies
interspecificbetweenspecies Bacteriafungimushrooms

thatbreaksdowndeadorganicmaterial
Decomposer organism

sometimesreferredtoasdetritivores



Foodweb
energyHow
trophiclevels

notruleonlylotofenergystoredasbiomassinatrophicle
toy levels producer ispassedfromoneleveltothenext

IIII
levela primaryconsumer



ii
t http if.it

tdIbbbologgattHEog
jymE3,2
levels secondaryconsumer
Levein tertiaryconsumer



p a topcarnivores exlioneaglepeacock
I eatsecondaryconsumerslargepredators
Foodchain
secondary
consumers largelycarnivores omnivores
fr primary
grasshoppers H consumers and levelHerbivores
trophic

snake producers plantsthat food
theirown
make

thII grass t
Hawk
EBEBot_ zooEoot ao
Bacteria
on y
CA$9.16
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