Understanding Protista: Plant-like and Fungus-like Protists

What is one way plant-like protists differ from true plants?

• They lack chlorophyll.

• They do not perform photosynthesis.

• They do not have specialized tissues like roots, stems, and leaves.

• They do not have cell walls.

Which of the following is a characteristic of diatoms?

• They are found only in freshwater.

• They have shells made of silica.

• They are multicellular.

• They are bioluminescent.

What causes an algal bloom?

• Decrease in water salinity.

• Lack of sunlight.

• Increase in nitrogen levels in water.

• Decrease in water temperature.

What is a red tide primarily caused by?

• Increase in water temperature.

• Bloom of dinoflagellates.

• Decrease in water salinity.

• Excessive growth of green algae.

Which pigment allows red algae to grow deeper in water?

• Chlorophyll

• Fucoxanthin

• Carotene

• Phycoerythrin

What is one industrial use of algae?

• In the production of plastics.

• In the manufacture of glass.

• As a source of fossil fuels.

• As a thickener in ice cream.

What is alternation of generations?

• A cycle between haploid and diploid phases.

• A cycle between aquatic and terrestrial phases.

• A cycle between photosynthetic and non-photosynthetic phases.

• A cycle between unicellular and multicellular phases.

What is a lichen?

• A type of algae.

• A symbiotic association between a fungus and an algae.

• A type of fungus.

• A type of protozoan.

What caused the Irish Potato Famine?

• A protozoan.

• A water mold.

• A red tide.

• A type of algae.

Which insect is a vector for malaria?

• Tsetse fly

• Anopheles mosquito

• Housefly

• Sandfly