Which Two Groups of Protists Produce Hard, Mineralized Skeletal Structures

question 21

Multiple Choice

Which two groups of protists produce hard, mineralized skeletal structures or cell walls that contribute to marine sediments and form fossils?

• A) green algae and brown algae
• B) foraminiferans and radiolarians
• C) dinoflagellates and diatoms
• D) cellular slime molds and water molds

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