The answer that best fits the description above is the hormone GLUCOCORTICOID. This was according to Hans Selye, an Austrian-Canadian endocrinologist. According to him, ill health induced by exposure of chronic stress is due to the secretion of the hormone glucocorticoid.
B according to my school.
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
The herbivore eats plant and the carnivore it’s meat each one eats one specific thing meaning that on a food feb as long as they keep doing what they are doing it doesn’t mess the environment around them