Question

Michelle is observing a sand sample under a microscope when she finds many perforated shelled organisms. Further testing reveals that these shells are made of calcium carbonate. How should she classify these organisms? A. They are sarcodines, belonging to phylum heliozoa of protozoa. B. They are radiolarians, belonging to phylum ciliata of protozoa. C. They are foraminiferans, belonging to phylum sarcodina of protozoa.

Answer 1

The answer is C: "They are foraminiferans, belonging to phylum sarcodina of protozoa."

Step-by-step explanation:

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< Sarah >

Answer 2

Based on the given information above, the correct answer from the given question would be option C. From the testing done by Michelle, it reveals that the shells are made of calcium carbonate and therefore, they are foraminiferans, belonging to phylum sarcodina of protozoa. Foraminifera are very small organisms which live in the sea, that create calcium carbonate shells for protection.