| A | B |
| Galapogas Islad plants and animals resembled those from... | South America |
| When individuals of two populations can not interbreed, the two populations are... | different species |
| The fossil records provide evidence of... | older species give rise to newer species |
| Human hemoglobin closely resembles... | gorilla hemoglobin |
| Idividuals that are able to cope with environmental challenges tend to... | leave more offspring than those less suited to the environment |
| Does the size of the bird in the Galapogas Islands determine beak size? | no ( amount of food available, seed size, and weather determines beak size) |
| Members of different subspecies... | differ genetically because of adaptations for different living conditions |
| Evolutionary history of organisms is seen in... | in the way embryos develop |
| Extinct | the disappearance of a species |
| On the Beagle, Darwin read the theories of... | Lamarck |
| Lamarck's theory was... | Law of use and disuse |