| A | B |
| habitat | A place where a living thing lives and interacts with its environment |
| ecosystem | The living and non-living things in an environment |
| organism | Any living plant or animal |
| population | Living things of the same kind that live in an evironment |
| community | Different populations of living things that live together in an environment |
| producer | A living thing such as a plant that makes its own food |
| consumer | A living thing that gets its energy by eating other living things |
| crustacean | Animal (mainly living in water) that has a hard outer shell |
| regeneration | The ability of an animal to regrow body parts |