Which Algal Group Contains Individuals That are Typically Unicellular and Form

Question

Which algal group contains individuals that are typically unicellular and form siliceous shells?
A) Diatoms
B) Red algae
C) Brown algae
D) Green algae
E) Dinoflagellates

Accepted Answer

Diatoms are known for their unique characteristic of forming siliceous (silica-based) shells, which are intricate and beautiful, often used in scientific studies for their fossil records and ecological importance.