Comparing the physical structure of a fish found in the Arctic Ocean to a similar fish found in the southern Pacific Ocean is one example of the science of __.

genetics
biogeography
comparative anatomy
taxonomy

Examining physical structure of organisms to determine common ancestry is the science of __.

biogeographical analysis
comparative anatomy
molecular biology
taxonomy

The most broad category in the classification hierarchy is __.

kingdom
species
genus
domain

Two popluations of lobsters that look almost the same, but show significant genetic differences would be classified into __.

separate species within the same genus.
separate families within the same species.
separate genera withing the same species.
the same species.

A grouping of similar species is called a

habitat
genus
family
community