Across
- 4. When an organism adapts in order to fit its surroundings.
- 8. The ability of an organism to survive and reproduce in its environment.
- 10. A physical structure that helps an organism survive in its environment
- 12. structures that are similar in different species of common ancestry.
- 15. Internal organs
- 16. it makes sure that at least a small number of people will live to pass on their traits.
- 17. Founder of the Evolutionary Theory
- 18. best known early Evolutionists.
Down
- 1. the widespread movement of species in search of better environmental conditions.
- 2. Any change in the DNA sequence of a cell.
- 3. a feature that species inherited from an ancestor but that is. now less elaborate and functional than in the ancestor.
- 5. random change to the Allele frequency of a population due to a chance event.
- 6. a disguise that allows organisms to hide in its environment.
- 7. human interference in the reproduction or survival of animals or plants that lets anyone with desirable qualities to produce.
- 9. body parts that share a common function but not structure.
- 11. the change of a species characteristics over time.
- 13. gaining protection bу looking and acting like a different species
- 14. the process through which organisms and their populations adapt and change.