Which is the change in size of a group of organisms of the same species over time?
a. population growth
b. death rate
c. birth rate
d. immigration and emigration

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?