What disease affect the circulatory system and the digestive system

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 are reasons cells undergo cell division?

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?