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