The answer is iguana because they are the only animal that changes color
Upwelling is a process in which the deep and cold water rises to the water surface and not sea surface. This process plays an important role in maintaining balance in our ecosystem as it boost the marine productivity by washing the nutrients from deeper waters to the photic layer where photosynthesis is promoted.
Seven essential nutrients support human life and enable normal body functioning. The essential nutrients are: water, protein, carbohydrates, fiber, fat, minerals and vitamins. Vitamins are <span>organic compounds.</span>that aids in your body’s growth, everyday functioning, and maintenance. A balanced diet should provide all the vitamins that the body needs.
So that nothing in the science world gets crazy and nothing bad happens.
Answer;
REM sleep
Xander is probably experiencing REM sleep.
Explanation;
-REM sleep is a stage of sleep that is characterized by low muscle tone, rapid eye movements and dreams. It is present in all mammals and has unique physiologic properties that distinguish it from non-REM sleep.
-It is believed that the chemical and electrical activity that regulate this sleep phase originate in the brain stem, and this is most notably characterized by a combination of an abundance of acetylcholine (a neurotransmitter), and the almost complete absence of serotonin, histamine, and norepinephrine.