| A | B |
|---|
| A giraffe's long neck is a(n) ____ | adaptation |
| The finches with the strong, wide beaks eat ____ | seeds |
| Charles Darwin took a five year long journey on the ship ______ | beagle |
| ____ arises when there are limited resources | competition |
| A(n) _______ explains a wide range of observations | scientific theory |
| If two organisms belong to the same ______, they can mate and produce fertile offspring | species |
| An organism lives in a specific ______ | habitat |
| The variety of among living things belonging to different species is called _______ | diversity |
| When organisms that are better adapted to their environment survive and reproduce, it is called ______ | natural selection |
| The gradual change over time is ________ | evolution |
| There is an _________ of tadpoles in a pond in which there is not enough food for all to survive | overproduction |
| The different heights of students in your class are called ____ | variations |
| When a group of organisms is isolated for so long it evolves into a new species, it is called ______ | speciation |
| Darwin is famous for his research after his observations on the ______ | galapagos islands |
| ______ iguanas have long claws to grip onto slippery rocks | marine |
| The name of the super-continent that comprised of all of earth's land is called _____ | Pangaea |
| DNA can be extracted from fossils such as bones, teeth, or insects trapped in ________. | amber |
| _______ are similar structures that related species inherited from a common ancestor. | homolgous Structures |
| Pangaea gradually split apart in a process called ______. | continental drift |
