Food Webs

Terms	Definitions
Food Web	A diagram showing all of the connected food chains in an ecosystem
Decomposer	An organism that breaks down dead organisms
Energy Pyramid	A diagram that shows how energy decreases as it travels through a food chain
Food Chain	A diagram showing how energy passes from one organism to the next in an ecosystem
Omnivore	An organism that eats both plants and animals
Carnivore	An organism that eats only other animals
Herbivore	An organism that eats only other plants
Predator	The organism that hunts others for food.
Nutrients	Chemicals that living things can use to live and grow.
Producer	Organism that makes the food for an ecosystem. (aka autotroph)
Consumer	Organism that is eating others in a food chain. (aka heterotroph)
Autotroph	Any organism able to make its own food (aka Producer)
Heterotroph	An organism that has to eat its food (aka consumer)
Energy	Used for organisms to do everything it needs to do to live
Glucose	A type of sugar used by plants to store energy from the sun.
Tertiary Consumer	Third level consumer. Often top of the food chain
Primary Consumer	The 1st level consumer. Eats producers
Secondary Consumer	Eats 1st level consumers. Often is a predator and a prey
Quaternary Consumer	4th level consumers. Food chains don't always go this far
Scavenger	An animal that eats other dead animals.

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