Across
- 3. A group of different species living in the same same and interact with each other.
- 6. selection: The selective breeding of organisms by humans for specific characteristics.
- 8. factors: All the non-living things in an ecosystem.
- 9. All the members of the same species living in the same place.
- 10. The ability of one or more organisms to tolerate a particular chemical designed to kill it.
- 12. flow: The movement of genes from one population to another.
- 14. Where two or more species reciprocally affect each other's evolution.
- 16. Drift: Changes form generation to generation.
- 17. A group of organisms that can mate to produce fertile offspring.
Down
- 1. selection: The survival and reproduction of organisms with particular traits.
- 2. When some individuals move from one population to the other.
- 4. A place where organisms live.
- 5. factors: All the living organisms in an ecosystem.
- 7. Made up of all living organisms living in the same area.
- 8. inherited trait that increases an organism's chance of survival and reproduction in a certain environment.
- 11. change in DNA.
- 13. A change in the genetic characteristics of a population from one generation to the next.
- 15. A individual living thing