Across
- 7. Excessive reproduction.
- 8. The ability of a population to maintain or increase its numbers in succeeding generations.
- 9. The competition to survive adaptation in natural environments; survival of the fittest.
- 11. The process by which humans use animal breeding and plant breeding to selectively develop particular traits they have chosen to be desirable.
- 12. The process by which new species or populations of living things develop from preexisting forms through successive generations.
- 16. Traits that promote an organism's success in a particular environment.
- 17. The tampering with natural selection in that whoever is moderating the organisms gets rid of plants that have characteristics deemed undesirable.
- 18. A complex biotic community characterized by distinctive plant and animal species.
Down
- 1. The act of competing, or a contest for some advantage.
- 2. Pertaining to life, alive.
- 3. An organism that is the offspring from two parents that are not members of the same species.
- 4. The competition of animals attempting to adapt in order to survive in a natural enviroment; Natural Selection.
- 5. The people living in a certain area.
- 6. Regarded as the basic category of biological classification, composed of related individuals that resemble one another.
- 10. The entire body of individuals born and living at about the same time
- 13. The act or state of adapting.
- 14. Of or characterized by the absence of life or living organisms.
- 15. The visible result of a chromosome.