Across
- 2. When members of the same species compete
- 6. A change in the genetic makeup of a population, usually resulting when natural selection favors some individual characteristics over others
- 7. the richness and variety of life
- 8. animals that eat other animals, or meat
- 9. defense mechanisms that are used only in response to predators
- 12. Absorbs light energy for photosynthesis
- 15. animals that eat algae or plants
Down
- 1. the act of one organism eating another
- 3. when one species eliminates another by out competing it
- 4. Raw materials other than carbon dioxide and water that are needed by primary producers for primary production
- 5. The combined populations of organisms that live in the same area
- 10. "Living together"
- 11. A group of individuals of the same species that live together
- 13. the larger partner in symbiosis
- 14. the smaller partner in symbiosis