| A | B |
|---|
| POPULATION | ONE SPECIES IN SPECIFIC AREA |
| REPRODUCTIVE ISOLATION | SAME SPECIES DON'T BREED BECASUE OF GEOGRAPHIC SPARATION |
| NATURAL SELECTION | INDIVIDUALS THAT HAVE TRAIT BETTER SUITED TO ENVIRONMENT LIVE LONG ENOUGH TO REPRODUCE |
| ADAPTATION | TRAIT THAT HAS BECOME COMMON BECAUSE PROVIDES ADVANTAGE |
| HOMOLOGOUS STRUCTURES | STRUCTURES THAT SHARE A COMMON ANCESTRY |
| PUNCTUATED EQUILIBRIUM | RAPID CHANGE FOLLOWED BY LONG PERIODS OF NO CHANGE |
| CHARLES DARWIN | BRITISH NATURALIST WHO VISITED THE GALAPAGOS ISLANDS |
| SPECIATION | PROCESS BY WHICH NEW SPECIES FORM |
| CHARLES LYELL | HE DESCRIBED HOW CHANGES IN LAND FORMATION CAUSE SPECIES TO EVOLVE |
| GALAPAGOS ISLANDS | PLACE NEAR ECUADOR |
| GRADUALISM | GRADUAL CHANGE OVER A LONG PERIOD OF TIME LEADS TO SPECIES FORMATION |
| PALEONTOLOGIST | PERSON WHO STUDIES FOSSILS |
| VESTIGIAL STRUCTURES | STRUCTURES THAT HAVE LITTLE OR NO USE FOR AN ORGANISM |
| DIVERGENCE | ACCUMULATION OF DIFFERENCES BETWEEN GROUPS |
