_______ have thin pseudopods stiffened by microtubules, and they secrete glassy endoskeletons.
A) Brown algae
B) Foraminiferans
C) Dinoflagellates
D) Diatoms
E) Radiolarians

Question

Quizplus · Accepted Answer

Radiolarians have thin pseudopods that extend through pores in their glassy endoskeletons, which are composed of silica. The pseudopods are stiffened by microtubules, allowing the organism to capture prey and move through water. Brown algae, foraminiferans, dinoflagellates, and diatoms do not have glassy endoskeletons stiffened by microtubules.

_______ Have Thin Pseudopods Stiffened by Microtubules, and They Secrete