| A | B |
|---|
| Charles Darwin | Father of Evolution |
| species | a group of similar organisms that can have fertile offspring |
| adaptations | a trait that enables an organism to survive and reproduce |
| evolution | a gradual change in a species over time |
| natural selection | the process where animals better adapted to their environments survive and reproduce and pass their traits on to their young. |
| overproduction | having too many of one species |
| competition | when organism must share food water living space and other thing to survive |
| variations | differences in a species |
| competition | share resources such as living space, water and food |
| continental drift | the theory that Pangea existed and broke apart into the continents we have today |
| overproduction | the growth of a species to the point where they have problems surviving |
| fossil | a preserved organism from the past |
| extinct | when no members of a species are alive any more |
| fossil record | are all the fossils that scientists have found and studied over the years. |
| branching tree | a diagram that shows how organisms may be related |
