What chemical group used by plants does oxygen form which includes phosphorus?

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?

Explain why ecosystem diversity results in species diversity in a healthy biosphere

What is the ecological role of food chains and food webs