Across
- 2. It is a body of rock and/or sediment that holds groundwater
- 3. The study of organisms and how they interact with the environment around them.
- 6. The variation between different ecosystems.
- 7. It is when humans remove or thin forests for lumber or to use the land
Down
- 1. A sum total of all the living and non-living elements
- 2. A mixture of gases that surrounds the Earth.
- 4. A geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
- 5. It is the average weather in a given area over a longer period of time.