1. The primary factors affecting population growth include birthrate, death rate, immigration and
a. density.
b. geographic range.
C. emigration.
d. demography

C.emigration is the answer

d. demography

Explanation:

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

the answer is cell division : )