Ecological Energetics

Annette McCormic
Mind Map by , created over 6 years ago

A-Levels Biology Mind Map on Ecological Energetics, created by Annette McCormic on 05/16/2013.

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Annette McCormic
Created by Annette McCormic over 6 years ago
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Ecological Energetics
1 FOOD CHAIN: the feeding relationships between organisms
1.1 Arrows represent direction of enerygy flow
1.2 Stage=Trophic level
1.3 GRAZING FOOD CHAIN- living plant
1.4 DETRITUS FOOD CHAIN- dead organic matter
1.5 most organisms rely on other sources and habitats
1.5.1 depending on time of year/age.size of population
2 Autotrophs; produce their own organic food (PRODUCERS)
2.1 Heterotrophs rely on ready made food (CONSUMERS)
2.2 FEEDING COMMUNITY:
3 consumers
3.1 PRIMARY- herbivores/eat producers
3.1.1 SECONDARY- carnivores/ eat primary consumers
3.1.1.1 TERTIARY- carnivores/top carnivores/eat other consumers
3.1.1.1.1 DETRITVORES- earthworms/woodlice/primary consumers/feed on detrtus (dead organic matter) + break into small fragments
3.1.1.1.1.1 DECOMPOSERS- fungi/bacteria/energy from dead decaying materialand complete decomposition
4 PYRAMIDS OF NUMBER,BIOMASS=ENERGY

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