How many mature sperm are derived from a single primary spermatocyte?

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement