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.

Every time there is a full moon, mrs. cook insists that students in her classes display strange behavior. what would be the best way for her to prove the validity of her theory? a. keep a journal of student behavior during different phases of the moon cycle b. research data to find concrete evidence of a link between the moon cycle and human behavior c. ask students to keep a journal of how they are feeling during different phases of the moon cycle d. survey other teachers in the building to see if they notice similar behaviors during the full moon