| A | B |
|---|
| biochemistry | the chemistry of living things |
| antibody | a molecule that individuals produce as part of their immune system as a defense against foreign objects |
| DNA hybridization | mixing together single-stranded DNA from different individuals to form double-stranded, one strand from each individual |
| Ornithologists | a scientist who studies birds |
| biogeography | the study of the geologic distribution of organisms |
| genetic drift | the process by which allele (different versions of the same gene) frequencies change over time due to chance |
| morphology | the shape and structure of an organism |
| reproductive isolation | occurs when one population of a species is prevented from breeding with members of another population of that same species |
