| A | B |
|---|
| Beagle | The name of the ship Darwin sailed on |
| Charles Darwin | the theory of evolution by natural selection |
| The Origin of Species | The name of the book Darwin wrote |
| natural selection | a process in which better adapted organisms reproduce and survive |
| scientific theory | a well-tested concept that is supported by evidence |
| evolution | grdual changes in a species over time |
| Galapagos Islands | The islands where Darwin made many of his observation |
| adaptation | a trait that helps an organism survive and reproduce |
| species | a group of similar organisms that can interbreed |
| peppered moth | an example of natural selection in Industrial England |
| fossil | a preserved remains of an organism that lived in the past |
| extinct | a species in which the members are dead |
| homologous structures | similar structures that related species get from a common ancestor |
