10 terms

autotroph, primary producer, photosynthesis, chemosynthesis, heterotroph, consumer, carnivore, herbivore, scavenger, omnivore, decomposer, detritivore

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Terms in this set (...)

autotroph
An organism that makes its own food
primary producer
An autotroph, usually a photosynthetic organism. Collectively, autotrophs make up the trophic level of an ecosystem that ultimately supports all other levels.
photosynthesis
A process plants use to turn sunlight into food
chemosynthesis
Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
heterotroph
An organism that cannot make its own food
consumer
An organism that eats other organisms
carnivore
An animal that eats other animals
herbivore
An animal that eats only plants
scavenger
A carnivore that feeds on the bodies of dead organisms.
decomposer
An organism that breaks down wastes and dead organisms