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Page 1

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Ecosystems and Energy Flow
Factors Affecting Living Organisms
Predators
Parasites
Disease
Climate (i.e. Temperature, oxygen levels, rainfall quantity and light intensity)
Intraspecific Competition (i.e. within the species for food, territory, shelter and mates)
Interspecific Competition (i.e. between species for food, shelter and space)
Soil/Substance (i.e. rock, sand, soil, clay or…

Page 2

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Plankton Crustacean Fish Seal
- Every food chain starts with a PRODUCER here it is plankton.
- The next organism is the PRIMARY CONSUMER here it is Crustacean
- Next is the SECONDARY CONSUMER here it is fish
- Then is it the TETIARY SONCUMER here it is the
seal.…

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