Across
- 2. The study of the relationships between different forms of animals and their natural surroundings
- 4. Ability to do work
- 9. Living things depend in nature and each other
- 10. Same about of births and deaths in a area
Down
- 1. 2 animals that fight for food
- 3. Where plants and animals interact
- 5. Both species benefit from interaction
- 6. The material structure of an individual life form
- 7. Food Chains
- 8. Eats it and gets eaten