Across
- 2. Get energy from dead plants and animals
- 4. Body part or behavior that helps an organism survive
- 5. First source of all energy
- 6. Need to eat six times more food in order to have enough energy
- 8. Eats meat
- 9. A tool that can be used to trace the flow of energy through an ecosystem
- 10. The study of living and nonliving interactions
- 12. Eats plants and animals
- 13. Type of tree where leaves fall off
Down
- 1. Eats plants
- 3. Muscles are paralyzed in cold temperatures
- 5. Eats dead animals
- 7. Type of tree that stays green all year long
- 11. Plants and trees are both an example of this