Across
- 2. measure of relative contribution an individual trait makes
- 3. structures features not inherited from a common ancestor
- 4. structures reduced forms of functional structures
- 5. one species that evolves to resemble another species
- 6. study of the distribution of plants and animals
- 9. adaption that allows species to blend into their surroundings
- 11. traits primitive features
Down
- 1. traits newly evolved features
- 3. selection the development of new breeds and strains
- 7. cumulative changes in groups of organisms through time
- 8. structures structures inherited from a common ancestor
- 10. early, pre-birth stage of an organism's development
- 12. selection the modifying of a population