| A | B |
|---|
| Tropical rainforest | home to more species than any other biome |
| habitat | the place in which an organism lives |
| ecosystem | all the living and non-living things in an area |
| limiting factors | factors that decide what organisms can survive in an area |
| tundra | cold,dry areas like Canada |
| niche | the role that an organism has in an ecosystem |
| community | the group of all populations that live in an area |
| desert | very dry areas that can be hot or cold, can be sand, rocks, salt, etc. |
| conifers | trees that stay green in winter, and have needles instead of leaves |
| population | a group of organisms of one species that live in an area at the same time |
