Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Evolution |
Change in a species over time ; process of biological change by which descendants come to differ from their ancestors |
|
|
|
Species |
Group of organisms so similar to one another that CAN BREED and produce fertile offspring |
|
|
|
Catastrophism |
Theory that natural disasters such as floods and volcanic eruptions shaped earths landforms and caused extinction |
|
|
|
Gradualism |
Principle that states that the changes in landforms result from slow changes over a long period of time |
|
|
|
Uniformitarianism |
Theory that states that the geological processes that shape Earth are uniform through time |
|
|
|
Variation |
Differences in physical traits of an individual from the group to which it belongs |
|
|
|
Adaptation |
Inherited trait that is selected over time because it allows organisms to better survive in their environment |
Adapt .. |
|
|
Artificial selection |
Process by which humans modify a species by breeding it for certain traits |
|
|
|
Natural selection |
Mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average |
|
|
|
Fitness |
Measure of an organisms ability to survive and produce offspring relative to other members of a population |
|
|
|
Biogeography |
Study of the distribution of organisms around the world |
|
|
|
Homologous structure |
Body part that is similar in structure but performs |
|
|
|
Analogous structure |
Body part that is similar in function as a body part of another organism but is strictly different |
|
|
|
Analogous structure |
Body part that is similar in function as a body part of another organism but is strictly different |
|
|
|
Vestigial structure |
Remnants of an organ os structure that functioned in an earlier ancestor |
|
|
|
Heritability |
Ability of a trait to be passed down from one generation to the next |
|
