Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Step-by-step explanation:
When sea level change happens it can be decreased OR increased. It mostly happens when global temperatures change. Sometimes the ocean freezes, glaciers melt back into the ocean. It changes because of the amount of water being added or decreasing.
Sexual Reproduction; each parent passes down half of their genes to the offspring.
Any property that is measurable, whose value describes a state of a physical system.