Across
- 1. a place where plants, animals, and other organisms work together
- 3. shows how the energy is being transferred between organisms
- 4. made out of food chains
- 5. an individual plant, animal, or single-celled life form
- 6. the hunter
- 8. the number of organisms in an area
- 9. the relationships between animals and their surroundings
- 10. the hunted
Down
- 2. all living things depend on both nature and each other
- 7. when both species benefit from each other