Which three characteristics are used to classify prokaryotes?
a. by size, where they live, and whether they need air.
b. whether they have cell walls, flagella or cilia, and nuclei.
c. how they reproduce, where they get food, and whether they have dna.
d. by shape, how they move, and how they get energy.

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles