Diatoms and Flagellates

Which protist moves by secreting chemicals through holes in their shells, enabling them to move by gliding?

• Dinoflagellates

• Euglenoids

• Diatoms

• Kinetoplastids

How do flagellates primarily contribute to aquatic ecosystems?

• By decomposing dead organic matter

• As primary producers

• By causing diseases in aquatic organisms

• By filtering out pollutants

Tags

NGSS.MS-LS2-3

Which mechanism do flagellates use for movement?

• Ciliary motion

• Amoeboid motion

• Flagellar propulsion

• Gliding on surfaces

Diatoms are...

• Unicellular heterotrophs

• Unicellular autotrophs

• Multicellular heterotrophs

• Multicellular autotrophs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT a phylum that includes flagellates?

• Euglenozoa

• Ciliophora

• Dinoflagellata

• Kinetoplastida

Which flagellate has flagella that beat in two grooves, one encircling

the body like a belt, the other perpendicular to it?

• Euglenoids

• Kinetoplastids

• Diatoms

• Dinoflagellates

Euglenoids are...

• Freshwater protists with flagella

• Marine protists with flagella

• Freshwater protists with cilia

• Marine protists with cilia

I am a unicellular heterotrophic protists that has

at least one flagellum. What am I?

• Diatom

• Dinoflagellate

• Kinetoplastid

• Euglenoid

Which of the following flagellate phyla is known for its bioluminescent properties?

• Apicomplexa

• Dinoflagellata

• Euglenozoa

• Choanoflagellata