| A | B |
| predator | An animal that eats other animals. |
| prey | An animal that is eaten by other animals. |
| herbivore | Living things that eat only plants. |
| carnivore | Living things that eat only meat. |
| omnivore | Living things that eat both meat and plants. |
| food chain | A small portion of a food web that centers around one organism. |
| food web | How and from what living things get their energy (food), usually shown as a picture that shows which living things are producers, which are consumers, and what each living thing eats. |
| producer | Living things that make their own food from sunlight (like plants). |
| decomposer | Living things that feed off dead plants and animals. |
| consumer | A living thing that gets its food by eating other living things. |