Question

5. Which of the following statements is the best definition of
biogenesis?
a. Nonliving matter gives rise to living organisms.
Lt. Living cells can only arise from preexisting cells.
c. A vital force is necessary for life.
d. Air is necessary for living organisms.
e. Microorganisms can be generated from nonliving matter.
6. Which of the following is a beneficial activity of microorganisms?
a. Some microorganisms are used as food for humans.
b. Some microorganisms use carbon dioxide.
c. Some microorganisms provide nitrogen for plant growth
d. Some microorganisms are used in sewage treatment processes.
all of the above
7. It has been said that bacteria are essential for the existence of
life on Earth. Which of the following is the essential function
performed by bacteria?
a. control insect populations
b. directly provide food for humans
We decompose organic material and recycle elements
d. cause disease
e. produce human hormones such as insulin​

Answer 1

Answer:

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