The answer is, "C", "Heat".
Answer:
mutualism
Explanation:
It's a symbiotic relationship beneficial to both symbionts.
in this case E. Coli helps with the absorption of Vitamin K and other important vitamins for the human body in the colon. While, Human (host) provides shelter for it
Less prey means less predatoors
Carnivores. Herbivores, on the other hand, prey on plants.