The _______ are marine microbial protists that secrete a glassy endoskeleton.
A) algae
B) protozoa
C) radiolarians
D) flagellates
E) dinoflagellates

Question

Quizplus · Accepted Answer

Radiolarians are marine microbial protists that secrete a glassy endoskeleton. Algae are not known to secrete a glassy endoskeleton, and protozoa and flagellates are broad categories of single-celled organisms that do not necessarily secrete a glassy endoskeleton. Dinoflagellates are a type of flagellate that are known for the production of harmful algal blooms, but they do not necessarily secrete a glassy endoskeleton.

The _______ Are Marine Microbial Protists That Secrete a Glassy