P. chromatophora secretes around itself a test, or case, of plates made of silica. Which of the following is another rhizarian that would be in competition with P. chromatophora for the silica needed to make these plates, assuming limited quantities of silica in the environment?
A) radiolarians
B) foraminiferans
C) all other amoeboid cells
D) all other rhizaria
E) diatoms

Question

Quizplus · Accepted Answer

Radiolarians, like P. chromatophora, are rhizarians that also use silica to construct their intricate skeletal structures, leading to competition for silica.

P Chromatophora Secretes Around Itself a Test, or Case, of Plates