Term
|
Definition
| physical or behavioral trait that increases reproductive fitness |
|
|
Term
|
Definition
| environmental factor that determines which characteristics are adaptations |
|
|
Term
|
Definition
| ability to produce offspring |
|
|
Term
|
Definition
| when humans pick the traits we like. Artificial selectors grow plants and depending on the trait that they want, they uproot the plants that don't have the right traits and keep the ones that do so that they can cross-pollinate. They repeat this step until they have the ideal plant. This plant might be completely different from the one they started out with |
|
|
Term
|
Definition
| when nature chooses the the traits that are necessary to survive |
|
|
Term
|
Definition
| Changes in frequency of alleles in a population, which usually occurs at the genotype level |
|
|
Term
|
Definition
| similar bone structures on different species that have differentiated from each other over time because of different environments, but still have remained similar. |
|
|
Term
|
Definition
| Structures on an organism that used to serve a function but do not anymore, but since they don’t negatively affect the organism, they remain. |
|
|
Term
| transition features/species |
|
Definition
| are organisms that existed between the very ancient form of an animal and the modern one. They have small changes that add up to the very changed modern form. Transition characteristics are like the eyes. |
|
|
