Where would you find methanogens, which can function only in the absence of oxygen? select the correct answer.
a. roots of plants
b. human intestines
c. synthetic fertilizers

Urgent 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?