Why does the skeleton stop growing in length? A. Because the growth plates stop working B. Because the bones reach their maximum length C. Because there is not enough calcium and other nutrients in the body D. Because the cartilage in the growth plate has been replaced by bone

Option A.

Because the growth plates stop working.

Explanation:

Skeleton stop growing because the growth plates stop working and this is because the growth plates is the cartilage or tissue that is responsible for the longitudinal growth or increase in length or shape of a mature bones. Therefore when the the growth plate is hardened and turns to solid, it closes and when the growth plate closes, it stops working and then stops the skeleton from growing in length.

fertilization, pictured in figure 24.23a is the process in which gametes (an egg and sperm) fuse to form a zygote. the egg and sperm each contain one set of chromosomes. to ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. in mammals, the egg is protected by a layer of extracellular matrix consisting mainly of glycoproteins called the zona pellucida. when a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place. in placental mammals, the acrosome contains digestive enzymes that initiate the degradation of the glycoprotein matrix protecting the egg and allowing the sperm plasma membrane to fuse with the egg plasma membrane, as illustrated in figure 24.23b. the fusion of these two membranes creates an opening through which the sperm nucleus is transferred into the ovum. the nuclear membranes of the egg and sperm break down and the two haploid genomes condense to form a diploid genome.

explanation: