The Amazing Microworld

What structures do Stentors use for movement and feeding?

• Flagella

• Pseudopods

• Cilia

• Muscular contractions

What gives some single-celled organisms their green color?

• Chlorophyll in their own cells

• Algae living inside them

• Pigments from ingested food

• Light refraction

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What unique ability do Spirostomum cells possess?

• They can change color rapidly.

• They can contract rapidly when startled.

• They can photosynthesize.

• They can form colonies.

Which of the following describes a Rotifer?

• A large, single-celled organism that uses pseudopods.

• A multicellular animal that uses cilia for movement and feeding.

• A single-celled organism that contracts rapidly.

• A plant-like organism that performs photosynthesis.