Black squirrels are the same species as gray squirrels. A single litter of squirrels can have both black and gray squirrels. Ove
r the past century, the percent of squirrels in the vicinity of Washington, DC, that are black instead of the more common gray has been continually increasing. Which of the following statements best explains why this is happening? A. Gray squirrels are more comfortable with humans than black squirrels. B. Black squirrels have a survival advantage over gray squirrels. C. Black squirrels are more visible against tree trunks than gray squirrels. D. Black squirrels are more popular with tourists than gray squirrels.
B. Black Squirrels have a survival advantage over gray squirrels
Explanation:
Using the information provided, it can be inferred that there is a difference between how many Gray squirrels and how many Black squirrels are being naturally selected.
This means:
Black squirrels have an advantage that reduces the amount of squirrels being selected from their environment.
Low-pressure systems are associated with clouds and precipitation that minimize temperature changes throughout the day, whereas high-pressure systems normally associate with dry weather and mostly clear skies with larger diurnal temperature changes due to greater radiation at night and greater sunshine during the day.
