1: Dichotomous Key
2: Entomologists
Answer:
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.
Hope this helps!
Peristalsis is the movement of particles through the digestive tract
Neutralizing waste would be your answer :)