Refer to the Figure

Multiple Choice

Refer to the figure. Which statement about the eukaryotes shown is true?

A) They are specialized to withstand pounding by surf.
B) Their color results from a symbiotic relationship with dinoflagellates.
C) Their fossilized remains make a major contribution to limestone.
D) Their fronds are stiffened with silica.
E) Their primary habitat is above the tidal zone on the seashore.