Gas exchange in the lungs of mammals occurs in the

What was photo 51 with rosalind franklin?

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?