Stem cells that produce new blood cells are found in the ___. A. heart
B. brain
C. muscle
D. bones

Biology 1c cumulative exam i need awsners

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.

During binary fission, what events must occur before the cell splits into two new cells?