_______ Secrete External Shells of Calcium Carbonate, Which Formed Much

question 185

Multiple Choice

_______ secrete external shells of calcium carbonate, which formed much of the world's limestone, as used in the ancient pyramids of Egypt.Long pseudopods extend through pores in the shells for locomotion.

• A) Foraminiferans
• B) Diatoms
• C) Dinoflagellates
• D) Water molds
• E) Radiolarians

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