click below
click below
Normal Size Small Size show me how
B- Unit 6 Lesson 2
Natural Selection Over Time
| Term | Definition |
|---|---|
| adaptation | a trait that gives the individual a survival advantage in a certain environment |
| graph | a diagram that show the relationship between two variables |
| heritable trait | a trait that can be passed down genetically from parent to offspring |
| melanistic gene frequency | the prevalence of a gene that codes for dark color |
| natural selection | a process by which individuals that are better adapted to an environment survive better and reproduce more often |
| species | a group of individuals that are capable of interbreeding with one another and producing fertile offspring |
| meiosis | a type of cell division used during sexual reproduction that results in the formation of sex cells |
| epigenetics | a process by which the expression of a gene is altered by factors other than changes in the sequence of DNA |