Across
- 8. living things dependent on each other
- 10. plants use sunlight to synthesize food
Down
- 1. A group of populations
- 2. relationship where both species benefit
- 3. unrestricted growth of population
- 4. energy passes as one organism eats another
- 5. Living
- 6. Not living
- 7. food chains that are linked together
- 9. Study of animals and their surrodings
- 10. animal that eats other animals