Across
- 2. an organism that is the offspring of a specific ancestor
- 4. process by which organisms that are most suited to an environment survive and reproduce (also called survival of the fittest)
- 7. individual from which all the organisms of the set are descended.
- 11. the formation of a new species
- 13. heritable characteristic that increases an organism's ability to survive and reproduce in an environment
- 14. heritable characteristic
- 15. a group of individuals of the same species
Down
- 1. a group of similar organisms that can breed and produce fertile offspring
- 3. Change in a population over time.
- 5. process where organisms produce offspring
- 6. process where two species evolve in response to each other
- 8. the children of a parent
- 9. the evolution of a species by the gradual accumulation of small genetic changes over long periods of time
- 10. an organism's role in its environment
- 12. an individual of a species
