What does the cell nucleus contain
a. chromosomes
b. vacuoles
c. cytoplasm
d. chloroplasts

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.

2. which is the last step in the scientific method?

Nucleic acids offer variability because they contain alternate forms of genes called .