| A | B |
| Carnivore | Something that eats only animals |
| Herbivore | Something that eats only plants |
| Omnivore | Something that eats plants and animals |
| Trophic level | Feeding level |
| Decomposer | Something that breaks down dead plants and animals |
| Abiotic factor | All the non-living parts of the environment eg temperature |
| Biotic factor | All the living parts of the environment |
| Consumers | Organisms that eat other organisms |
| Producers | Organisms that make their own food |
| Habitat | The place where an organism lives |
| Population | A group of organisms of the same species living together |
| Species | A group of organisms that can interbreed and produce fertile offspring |
| Adaptations | Something that helps an organism survive in its habitat |
| Food chain | Digram that links organisms together in a line to show who eats who. eg lettuce -> rabbit -> cat |
| Food web | Diagram that links many food chains together showing the feeding relationships in a community |
| Behavioural adaptation | Something an organism does that helps it survive eg hiding |
| Structural adaptation | A physical thing that an organism has that helps it survive eg horns |
| Physiological adaptation | Something an organism produces that helps it survive eg poison |