Single-celled algae that are major producers of oxygen and whose silica cell walls are useful in a variety of products for humans are the
A) diatoms.
B) kelps.
C) ciliates.
D) conidia.
E) cysts.

Question

Quizplus · Accepted Answer

Diatoms are single-celled algae known for their silica cell walls and are significant producers of oxygen. Their silica walls are used in various products, such as filters and abrasives.

Single-Celled Algae That Are Major Producers of Oxygen and Whose