| A | B |
|---|
| System | A group of parts that work together as a unit |
| Stability | Changes in a system that cancel each other out over time |
| Ecosystem | Groups of living things and the environment they live in |
| Population | A group of the same species living in the same place at the same time |
| Community | Animals and plants living together and interacting in the same area |
| Habitat | An environment that meets the needs of an organism |
| Niche | The role of an organism |
| Producer | The first first link in a food chain |
| Consumers | Organisma that eat other living things |
| Decomposers | Organisms that feed on the wastes of plants and animals or their remains |
| Herbivore | An organism that only eats plants |
| Carnivore | An organism that eats meats |
| Omnivore | An organism that eats plants and animals |
| Climate | The average rainfall and temperature over a period of time |
| Diversity | A variety of plants and animals |
| Salinity | The amount of salt in something |
