Gradualism is a pattern of evolution in which a species evolves at a slow, steady space. The correct answer is C.
D, contains fluid that becomes more concentrated as it moves down into the medulla
He association of two or more polypeptides in a multimeric protein is known as the <span>Quaternary structure.</span>
Answer:they convert light energy! they play a big part in photosynthesis
Explanation:
The hormone described above is the hormone Melatonin.
Melatonin is a hormone secreted by the pineal gland in the brain, which helps regulate other hormones and maintains the body's circadian rhythm. This rhythm is an internal 24 hour clock that plays a critical role when we fall asleep and when awake. When it is dark the body releases more melatonin.
