Across
- 2. Nonliving things
- 5. A group of individuals interacting together
- 6. One species feeds on another
- 7. Describes areas on earth with similar climate, plants and animals
- 8. One species receives a benefit from another
- 10. A single living thing
- 12. One hunts the other
Down
- 1. Living things
- 3. Fight for recourses to survive
- 4. Two species provide for each other
- 8. Many ______ living and interacting together
- 9. All the living things in a certain area
- 11. The global sum of all the ecosystems