What are the results of a sudden influx of excess nitrogen in to an ecosystem?

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

How does the carbon cycle involve an exchange of carbon

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these