Bio-Chp. 15 Crossword

4. Variations are inherited from parents.
5. Traits that appear in ancestral forms.
6. Anatomically similar structures inherited from a common ancestor.
10. Traits that are newly evolved features that do not appear in the fossils of the common ancestor.
12. A species adaptation that allows them to blend into their environment.
14. One species evolves to resemble another species.
15. The ship that Darwin sailed on.

1. Changes in groups of organisms throughout time.
2. Individuals in a population differ from one another.
3. A measure of the relative contribution that an individual trait makes to the next generation.
7. Populations produce more offspring than can survive.
8. An early, pre-birth stage of an organisms development.
9. Structures that are the reduced forms of functional structures in other organisms.
11. The islands that Darwin traveled to.
13. The type of bird Darwin studied.