A biologist examines a single-celled organism isolated from a hot spring. The organism is a photosynthetic halophile that uses the pigment bacteriorhodopsin. In which kingdom should the biologist classify the organism?

It's D. Archaea

Explanation:

i just took the test on plato and got it right

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .