It's ADAPTIVE RADIATION because it is <span>the diversification of a group of organisms into forms filling different ecological niches.</span>
Build several models of his tree house out of different materials, and see which model holds up best to wind, water, and ice.
Answer:
The correct answer will be option- D.
Explanation:
The prostate gland is a walnut-shaped gland present between the bladder and penis.
The prostate gland is a part of the reproductive system and not the urinary system as it helps in the nourishment and protection of the sperm cells. It secretes a fluid which contains enzymes like phosphatases, lytic enzymes and antibiotics which helps in the protection and passage of sperm to the egg cell.
Thus, option- D is the correct answer.
A change or a slight difference