Natural selection, random genetic drift, mutation, population mating structure, and culture.
It would be easier to identify the specimens because it is more hands on than the illistrations
B. The cells in between failed to grow
Making them not the same but not very different
The pancreas created and controls sugar levels. When that stops functioning (whether it’s type 1 or type 2) a person needs to inject themselves with insulin. A time where the pancreas might need to control sugar levels is when a person eats. Therefore; when a diabetic person eats they might need to give themselves an injection of insulin. Which is why a diabetic person might need more than one injection, because we eat multiple times a day! :) hope this helped
C. bicycle is your best answer
a bicycle has 2 wheels, and they are connected together through a frame and and has axles
hope this helps