The famous pink-colored sand of bermuda's beaches is due to crushed shells of marine organisms with tests (porous shells) made of organic material hardened by calcium carbonate.

Beaches of Bermuda are lined with coral reefs, which are a place where red foraminifera are found. The foraminifera are the single-celled marine organisms classified as protists., They live in shells made of calcium carbonate with a red colour. Shells of foraminifera collect on the ocean floor and get washed to shore by the tide and that’s what makes beach looks pink on the sun. 

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:

answer; i believe the correct answer is (replication is not conservative);