The skin regulates body temperature by perspiration or by using the arrector mucle that holds the hairs on skin. During a hot day, the skin perspires....it gives out water along with sebum and other salts and substances which cools the body. The arrector muscles loosen the hair due to which the hairs are not erect. During a cold day, the arrector muscles forcibly erect the small hairs on the skin which trap the heat of our body and provide insulation. In this way, it regulates temperature.
How would removing your umbrella in a rainstorm affect your ability to stay dry? The definition of a keystone species is a species that has a crucial role in an ecosystem. Removing one gear from a clock would stop the clock from working. Removing/changing a major contributer to a balance and natural ecosystem can potentially collapse the entire system altogether.
It is the manipulated variable. It is changed in an experiment to see how it would effect another variable.
<span>The protein separates from it during the last step of translation which is Termination</span>