Ask your own question, for FREE!
Biology 21 Online
OpenStudy (anonymous):

Which of the following is true of environmental changes? A. They cannot be caused by human activity. B. They may affect several populations in an ecosystem. C. They affect food chains, but not food webs. D. They have no effect on living organisms in an ecosystem.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!