Answer:
B. An increase in gene flow between the bird populations.
Explanation:
Answer:
He used peas because they are self pollinating,they grow fast,and they have many traits
<h3>In general,the more massive a star is,the shorter it's life span on the main sequence.After the hydrogen fuel at the core has been consumed,the star evolves away from the main sequence on the HR diagram,into a supergiant,red giant,or directly to a white dwarf.</h3>
<h2>--SirGerick--</h2>
I would say D because it involves more selection but if that one is wrong it is most likely B. But I would go with D
