Chapter 15, Part 2 Quiz Review: Echinoderms & Chordates

Which of the following characteristics would NOT apply to phylum Echinodermata?

• bilaterally symmetrical

• eucoelomate

• protostomic

• triploblastic

Which of the following characteristics would NOT apply to phylum Chordata?

• bilaterally symmetrical

• eucoelomate

• protostomic

• triploblastic

The animals in this phylum are only bilaterally symmetrical during their larval stages; they are pentaradially symmetrical as adults.

• Echinodermata

• Chordata

• Mollusca

• Annelida

Which class of phylum Echinodermata includes sea stars?

• Asteroidea

• Ophiuroidea

• Echinoidea

• Crinoidea

Which class of phylum Echinodermata includes brittle stars with long, thin arms?

• Asteroidea

• Ophiuroidea

• Echinoidea

• Holothuroidea

Which of the following classes of phylum Echinodermata includes sea urchins and sand dollars?

• Echinoidea

• Crinoidea

• Holothuroidea

• Asteroidea

Which class of phylum Echinodermata includes sea lilies or feather stars?

• Echinoidea

• Crinoidea

• Holothuroidea

• Ophiuroidea

Which class of phylum Echinodermata includes animals such as sea cucumbers?

• Holothuroidea

• Crinoidea

• Asteroidea

• Ophiuroidea

Which key feature of Chordates is a flexible, rod-shaped structure that provides skeletal support and is located between the nerve cord and the digestive tube?

• notochord

• dorsal hollow nerve cord

• pharyngeal slits

• post-anal tail

Which key feature of Chordates is derived from ectoderm tissue sinking below the surface of the skin and rolling into the hollow tube during development?

• notochord

• dorsal hollow nerve cord

• pharyngeal slits

• post-anal tail