| A | B |
|---|
| food web | The network of all the inter-related food chains in a biological community. |
| Food chain | The sequence of who eats whom in a biological community. |
| autotroph | An organism that makes its food from light or chemical energy without eating |
| heterotroph | An organism that gets its energy by eating other organisms |
| carnivore | An organism that eats meat |
| herbivore | An organism that eats plants |
| primary consumer | a meat- eater that eats autotrophs |
| secondary consumer | a meat- eater that eats primary consumer |
| tertiary consumer | a meat- eater that eats secondary consumer |
| quaternary consumer | a meat- eater that eats tertiary consumer |
