| A | B |
|---|
| food chain | model that links organisms by their feeding relationships |
| herbivore | organism that eats only plants |
| carnivore | organism that obtains energy by eating only animals |
| omnivore | organism that eats both plants and animals |
| detritivore | organism that eats dead organic matter |
| decomposer | detritivore that breaks down organic matter into simpler compounds, returning nutrients back into an ecosystem |
| specialist | consumer that eats only one type of organism |
| generalist | species that does not rely on a single source of prey |
| trophic level | level of nourishment in a food chain |
| food web | model that shows the complex network of feeding relationships within an ecosystem |
