Pollination by birds is called

Look at the picture below . what does this picture represent ?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?