Jackson enjoys playing on the varsity basketball team. However, when his team is leading or losing by a lot, he becomes bored and loses
interest in the game. He scores more points and is more interested in the
games when the score is very close. Jackson's motivation is best
explained by the _theory.

Example:
Example:

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.