[Campbell Biology P.748] Which of the following statements accurately describes characterist... | Practice Question

Which of the following statements accurately describes characteristics of a chiton?

  • A: They have a shell composed of a single, large plate.
  • B: Their body is segmented, allowing for flexible movement.
  • C: Their foot acts as a suction cup, enabling them to cling strongly to rocks.
  • D: They primarily feed by filtering plankton from the water.

Explanation

The text states: 'Chitons have an oval-shaped body and a shell composed of eight dorsal plates... If you try to dislodge a chiton by hand, you will be surprised at how well its foot, acting as a suction cup, grips the rock.' It also notes their body is unsegmented and they use a radula to scrape algae.