In addition to resembling one another, what other criteria are required for organisms to be grouped in the same species?

a. they only migrate with one another

b. they only reproduce with one another

c. they only share food with one another

d. they only fight with one another

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis. b. the primary role of microbes on the planet involves causing disease in animals and humans. c. microbes produce vitamins in the intestines. d. microbes play a role in breaking down waste and decomposing dead organisms.

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

Which factor is difficult to assess in a cost-benefit analysis