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20 terms

Food Webs

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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.