Energy Flow in Ecosystems
The Food Chain
•Heterotroph’s display a variety of feeding relationships
–Herbivores aka primary (1°) consumers
•Eat producers
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–Carnivores aka secondary (2°) consumers
•carnivores = predators... eat 1° consumers
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–Scavengers
•eat animals that have already died
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–Omnivores aka tertiary (3°) consumers
•Eat a variety of food: both plant and animal material
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–Don’t forget the decomposers!