Across
- 3. An organism that eats plants
- 5. The role an organism plays in an ecosystem
- 8. The natural home of an organism
- 9. Toxic substances becoming more concentrated at higher trophic levels.
- 10. Organisms that make their own food using sunlight.
- 11. The gradual process by which organisms become better suited to their environment
- 13. Organisms that break down dead plants and animals.
- 14. The movement of animals to another region during seasons
Down
- 1. A group of organisms of the same species living in one area.
- 2. An animal that hunts other animals for food
- 4. Living parts of an ecosystem
- 6. Animals that sleep through winter to conserve energy.
- 7. A relationship where one organism benefits and the other is harmed.
- 12. The transfer of energy from one organism to another