d. the living world. Biologists need to use the living world in order to back up the scientific method.
Double fertilization results in the formation of one diploid embryo and a triploid endosperm. Double fertilization is characterized by the formation of two embryos; the embryo proper which is diploid and the fusion product of the central cell with one male gamete which is triploid. This secondary triploid zygote develops into the endosperm.
Answer:
1.The answer is that because of the process of meiosis and fertilizations
Explanation:
