Which of these is an example of gene flow? This in on Plato
A.
German immigrants settle in a colony in Eastern Pennsylvania without mixing with the locals.
B.
A few black sparrows join a population of brown sparrows and mate with them.
C.
Indiscriminate hunting reduces the blue whale population, which later revives.

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales