BI223Week2

1. an organism's reproductive success
5. a scientifically acceptable or plausible general principle or body of principles
9. two things or events change together
10. one thing directly cases change in another
11. intentional breeding of plants or animals by humans to promote desirable, heritable traits
13. results from independent evolution of similar functions
14. geographic distribution of species

2. the change in the characteristics of a species over several generations
3. a change by which an organism becomes better suited to its environment
4. a testable, educated guess or proposed explanation for a specific phenomenon
6. organisms better adapted to their environment tend to survive and produce more offspring
7. group of interbreeding organisms in a particular geographic area
8. an observable feature of an organism
12. similarity resulting from common ancestry