<span>one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.</span>
True, though the Hadean period is one exception.
Answer:
prevents secretion of upper air passage
Explanation:
to prevent foods and drinks from falling down the airway which is called aspiration and may lead to pneumonia
Answer:
chameleons can use camoflauge to hide, their body changes color and they have feet designed for climbing.
Explanation:
