Answer:
It helps cells to make proteins.
It provides a source of water
It provides form of usable Nitrogen.
It removes carbon dioxide from the atmosphere.
It destroys harmful bacteria.
All of the consumers would be affected, and be forced to adapt. Since the amount of grass has decreased, the primary consumer would struggle to survive, and most likely, die out. Since the primary consumer has probably died out, the secondary would either die, or be forced to adapt to the situation, or change habitats ( applies to the rest in the food chain / web).
That would be the s<span>tamen.</span>
