Answer:
Cells provide six main functions. They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.
Explanation:
The nurse should explain to the parent that the sweat test is performed in order to measure the concentration of salt in the child's sweat. Cystic fibrosis is an autosomal recessive disorder which involves the secretion of fluids in specifics exocrine glands.
Natural selection is the process through which populations of living organisms adapt and change.