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