Ecological Energetics

Description

A-Levels Biology Mind Map on Ecological Energetics, created by Annette McCormic on 16/05/2013.
Annette McCormic
Mind Map by Annette McCormic, updated more than 1 year ago
Annette McCormic
Created by Annette McCormic almost 11 years ago
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Resource summary

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