Acertain oak tree can only support a population of 25 squirrels - there isn't enough room or food for more. the number 25 is this tree's
exponential growth
population rate
carrying capacity
bycatch

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

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

All phases of matter may have a fixed mass