energy enters an ecosystem through photosynthesis. By feeding on plants and on one another, animals play an important role in the movement of the matter/energy though. they also influence the quantity of plant and biomass present. so the anwser is D, secondary consumers to tertiary consumers
Which cells in the seminiferous tubules regularly undergo mitosis?
Spermatogonia
Answer:
Both hold bodies of water above and underground.
Explanation:
I believe that is ecology
