Protists

Which characteristic is common to all protists?

• They are prokaryotic organisms

• They are eukaryotic organisms that are not plants, animals, or fungi

• They are multicellular organisms with specialized tissues

• They are exclusively unicellular organisms

What metabolic strategy allows some protists to produce their own food using energy from the sun?

• Organotrophy

• Chemosynthesis

• Phototrophy

• Parasitism

What forms of reproduction are observed among protists?

• Only asexual reproduction

• Only sexual reproduction

• Both asexual and sexual reproduction

• Only through spore formation

Which type of protist is known for its ability to convert silicon into glass, and whose fossilized remains are sometimes used in abrasive products like toothpaste?

• Paramecium

• Volvox

• Kelp

• Diatoms