Answer - (Mainly) Internal Fert. Has the ability of keeping the sperm eggs from becoming dehydrated.
Reasoning - With the ability of the eggs being inside the mother. It keeps the eggs from dehydration and is always in moist which give the advantage of survival rate higher then external. Just like Humans we do internal fertilization which the sperm enters the female eggs and rest to become and form the life. While moist and protective embryo keeps it wet. Just like land animal in certain ways.
Enzymes are organic catalysts which aid in facilitating chemical reactions in the body. When functioned properly homeostasis is maintained.
<span> c. males use a protein to detect pheromones sent by females.</span>
Answer:
Glycogen
Explanation:
In humans polysacchride is stored in the form of glycogen and used as a source of energy.