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;
20 Cards in this Set
- Front
- Back
|
Artificial Selection |
breeding to produce offspring with desired traits |
|
|
Natural Selection |
the idea that organism with traits to fit the environment will survive, and those not equipped will die |
|
|
Evolution |
changes of a group of organisms over time |
|
|
Derived Traits |
newly evolved features |
|
|
Ancestral Traits |
traits that appear in ancestral forms of the organism |
|
|
Homologous Structures |
structures that are inherited from a common ancestor |
|
|
Vestigial Structures |
structures that are reduced forms of functional structures in other organisms |
|
|
Analogous Structures |
similiar in concstruction but are not inherited from common ancestry |
|
|
Embryo |
an early prebirth stage of an organisms development |
|
|
Biogeography |
study of the distrobution of plants and animals |
|
|
Fitness |
measure of controbution to the next generation |
|
|
Camouflage |
allows an organism to blend into its environment |
|
|
Mimicry |
species evolves to resemble another species |
|
|
Hardy-Weinberg Principle |
when allelic frequncies remain concstant |
|
|
Genetic Drift |
change in the allelic frequencies in a population |
|
|
Founder Effect |
small population settles away from bigger population |
|
|
BottleNeck |
population plumits then bounces back |
|
|
Stabilizing Selection |
form of natural selection; Eliminates extreme expressions of a trait |
|
|
Disrectional Selection |
increases extreme trait |
|
|
Disruptive Selection |
splits a population in two |
