If i had 20kg of rabbits in an ecosystem, why would I likely need at least 200kg of plants for those rabbits to eat?

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Which is one example of a phenotypic change that is not genetic

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height