| A | B |
|---|
| variation | a difference between individuals of the same species |
| species | a group of organisms that can mate and produce fertile offspring |
| evolution | the grdual change in a species over time |
| adaptation | a trait that helps an organism survive and reproduce |
| natural selection | process by which individuals are better adapted to their environment and more likely to survive and reproduce than other members of the same species |
| scientific theory | a well-tested concept that explains a wide range of observations |
| overproduction | producing more species than can actually survive |
| Charles Darwin | the king daddy of evolution |
| Pangea | all the Earth's landmasses connected together |
| Continental drift | the separation of the continents |
