A)all the individuals in a population born at the same time.
B)all individuals living in the same habitat.
C)all the different species in a community.
D)all the organisms interacting in the ecosystem.
E)All of the choices are correct.

A)are composed of large individual organisms.
B)are good dispersers and colonizers of new habitats.
C)are slow to mature.
D)have long life spans.
E)are adapted to stable environments.