Answer:
1. a) derived character
2. adaptation
3. could be generalized to any population of organisms.
4. Mutations have arisen that may have altered allele frequencies.
5. a description of a trait or habitat.
6. c) birds and reptiles share a number of inherited characteristics
7. phenotype
8. Prokaryotes.
9. many possible genotypes, producing many possible phenotypes.
10. b) whether the mutation makes some lizards more fit for the environment that other lizards
11. genetic equilibrium
12. Geographic barriers
13. common ancestry.
14. radioactive dating
15. 1 nonrandommating;
(2) small population size;
(3) immigration or emigration;
(4) Mutations;
(5) Natural Select
