Food Chains and Webs
Niche - The role of an organism in an ecosystem.
EX.
Food chain - The flow of energy in an ecosystem.
EX.
Food Web - Many food chains connected together.
Trophic Levels – level in a food chain based on a feeding niche
Producer - An organism that makes its own food (autotroph – selffeeder)
EX.
Consumer - An organism that eats producers or other consumers for
food. (heterotroph – other feeder)
EX.
Types of Consumers
Herbivores – feeds on producers EX.
Carnivore – feeds on consumers (two kinds)
1. Predator- hunts and kills its food (the prey) EX.
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2. Scavenger – feeds on dead animal EX.
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Omnivore – Feeds on plants and animals EX.
Decomposer – Feeds (breaks down) dead plants and animals and other
organic products
Parasite - Lives off of another organism (its host) Ex.