12. Protist and bacteria are grouped into different domains because______
A. bacteria are not made of cells
B. different types of bacteria is needed in the environment to decompose protist
C. protist are photosynthetic
D protist have a membrane-bound nucleus, which bacterial cells lack
13. Which of the following best describes the archaea?
A. Bacteria-like organisms that can live only in extreme salt environments. B. Organisms that are adapted to high temperature environments, such as in volcanic springs.
C. Prokaryotes characterized as extremophiles that share some bacterial and some eukaryotic traits.
D. Single-celled organisms that are killed by the application of antibiotics at certain concentrations.​