Brian's Ecology Project
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Abiotics and their Effects
Biotic Factors
Abiotic and Biotic Factors
Different Levels in the Ecosystem
Habitats
Niches
Symbiotic Relationships
Energy Transfers
Food Chain
Food Web
Energy Pyramid
Food Web
Definition: a system of different food chains, in which they cross with each other.
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Algae-->Catfish-->Eel
Algae-->Catfish-->Human
Algae-->Pleco Fish-->Catfish
Algae-->Pleco Fish-->Human