Diatoms Are

Question

Diatoms are
A) found only in freshwater.
B) more closely related to slime molds than to algae.
C) usually morphologically symmetric.
D) multicellular phototrophs.

Accepted Answer

Diatoms are typically morphologically symmetric, with two halves that fit together like a petri dish or pillbox.

Answer: D
 Diatoms are single-celled algae that use photosynthesis to produce energy. They are not multicellular, and they can be found in both freshwater and marine environments.