Across
- 1. Categories of energy flow
- 3. Both benefit
- 4. The natural home of an organism
- 6. The hunter and the killed
- 9. What eats what
- 10. A community of organisms
Down
- 2. The dependence of animals
- 5. An individual plant, animal, or individual life form
- 7. All the food chains in an ecosystem
- 8. The study of relationships between animals