Is natural selection a fact or theory

5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.

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.

What is one function of the embedded proteins