Scientists discovered that the albert's squirrels became two separate populations during the grand canyon's formation; they are now known as the albert's and kaibab squirrels.
their traits differ, and scientists agree that in the future they may no longer be able to breed with each other.
if this occurs and breeding can not happen, what will this be an example of?
a.
spontaneous generation
b.
succession
c.
speciation
d.
natural selection

there are no mutiple choices here

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years