| A | B |
|---|
| energy flow | the transfer of energy from the sun through the organisms of an ecosystem |
| food chain | a model of one path of energy transfer through an ecosystem |
| food web | a model of many paths of energy transfer through organisms in an ecosystem |
| scavenger | organisms that eat dead and decaying organisms |
| decomposer | organisms that obtain energy by breaking down organic matter into atoms or small molecules |
| carnivore | organisms that hunt and kill other organisms for food |
| producer | organisms that can transform light energy into chemical energy through photosynthesis |
| consumer | organisms that must obtain energy by eating other organisms |
| herbivore | consumers that eat only producers |
| omnivore | consumers that eat both producers and consumers |
