Chapter 12

3. the genetic constitution of an individual organism.
8. evolutionary change within a species or small group of organisms, especially over a short period.
9. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
10. the action or process of mutating.
11. the branch of biology that deals with phylogenesis.
13. the action of sharing something out among a number of recipients.

1. major evolutionary change.
2. the state or process of a species, family, or larger group being or becoming extinct.
4. the action or process of adapting or being adapted.
5. the process of recombining things.
6. the condition of being physically fit and healthy.
7. the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
12. a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.