| A | B |
|---|
| trophic level | position an organism holds in a food chain/web |
| producer | take in solar energy and convert it to chemical energy |
| primary consumer | feeds directly on producer |
| secondary consumer | feed on primary consumers |
| tertiary consumer | feed on secondary consumers |
| autotroph | make own food (another name for producer) |
| heterotroph | feed on autotrophs for nutrition and energy |
| omnivore | eats both plants and animals |
| herbivore | plant-eater |
| carnivore | meat-eater |
| decomposer | breaks down complex compounds in dead organisms and waste |
| food chain | sequence of feeding relationships in an ecosystem |
| food web | combination of multiple food chains |
