The separation of populations by a barrier such as an ocean is called

a. geographic isolation.
b. temporal isolation.
c. genetic equilibrium.
d. behavioral isolation

why are common names not always useful to biologists?

a. they are in latin.
b. they are too long.
c. they can apply to more than one animal.
d. they require the use of a dichotomous key.

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.