chapter 10

5. is the differance in the physical traits of an individual from those of other individuals in the group to witch it belongs.
7. is a group of organisms so similar to one another that they can reproduce and have a fertile offspring.
9. in this process humans make use of the genetic variation in plants and animals by acting as the selective agent.
11. is a feature that allows an organism to better survive in its invironment.
14. is the ability of a trait to be passed down from one generation to the next.
15. he argued that the laying down of soil or the creation of canyons by rivers cutting through rock were not the result of large-scale events

1. selection is a mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average than do other individuals.
2. structures are features that are similar in structures but appear in different organisms and have different functions.
3. the study of the distribution of organisms around the wourld.
4. is a measure of ability to survive and produce more offspring. relative to other members of the population in a given environment.
6. this theory states that the geologic processes that shape the earth are uniform through time
8. is the process of biological change by which disendants come to differ from there anccestors
10. states that natural disasters such as floods in volcanic eruptions has happend ofton during earth past history.
12. are traces of organisms that existed in the past.
13. is all the individuals of a spieces that live in an area.