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93838
Ecological Energetics
Description
A-Levels Biology Mind Map on Ecological Energetics, created by Annette McCormic on 16/05/2013.
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biology
biology
a-levels
Mind Map by
Annette McCormic
, updated more than 1 year ago
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Created by
Annette McCormic
over 11 years ago
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Resource summary
Ecological Energetics
FOOD CHAIN: the feeding relationships between organisms
Arrows represent direction of enerygy flow
Stage=Trophic level
GRAZING FOOD CHAIN- living plant
DETRITUS FOOD CHAIN- dead organic matter
most organisms rely on other sources and habitats
depending on time of year/age.size of population
Autotrophs; produce their own organic food (PRODUCERS)
Heterotrophs rely on ready made food (CONSUMERS)
FEEDING COMMUNITY:
consumers
PRIMARY- herbivores/eat producers
SECONDARY- carnivores/ eat primary consumers
TERTIARY- carnivores/top carnivores/eat other consumers
DETRITVORES- earthworms/woodlice/primary consumers/feed on detrtus (dead organic matter) + break into small fragments
DECOMPOSERS- fungi/bacteria/energy from dead decaying materialand complete decomposition
PYRAMIDS OF NUMBER,BIOMASS=ENERGY
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