Answer:
It is both a barrier keeping unwanted things out, and a gate for nutrients to be brought in.
D; it best shows the exact definition of probability. Hope this helped!
No, it would not be possible since both alleles in the genotype are recessive. If the alleles were xx for square jaws, then
x x
x xx xx
x xx xx
would be the possible genotypes for the offspring
Both the pelvis and femur of a whale are called vestigial structures! Another example of this is a human’s tail bone. Hope this helped!