Why do pollen and seeds increase the reproductive success of
plants? What structures play a role?

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?