Which two characteristics describe a good index fossil? A. Having existed for a very long time
B. Being very rare
C. Being found in many regions
D. Having an unusual shape

voluntary muscles are controlled by the cerebellum.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.

what tree

explanation:

dont know just give me brainliest