3. Which will most likely occur if two species occupy the same niche in an ecosystem? A. The two species will become friendly and share the niche.
B. The two species will support each other, and one species will overpopulate.
C. The two species will compete directly against each other for resources, and one species will eventually die off.
D. The two species will compete directly against each other for resources, and both species will eventually die off.