There are two varieties in a population of squirrels, short tails and long toes long tail. Squirrels are better at jumping and bouncing in trees. Scientist observed that over the span of 100 years, the proportions of the population of long tells increases from 10 to 60% which statement is most likely.

Question

There are two varieties in a population of squirrels, short tails and long toes long tail. Squirrels are better at jumping and bouncing in trees. Scientist observed that over the span of 100 years, the proportions of the population of long tells increases from 10 to 60% which statement is most likely. 
A) population of short tailed squirrels may have decreased due to the increase in trees
B) the proportion of squirrels may have increased due to increased food ability
C) the proportion of squirrels may have decreased due to decreased food availability 
D) proportion of longtailed squirrels may have increased due to the decreased in trees

GPT 3.5 · Answer

B) The proportion of squirrels may have increased due to increased food ability.