Unit 9 Lessons 3-7: Marine Taxonomy

Which class in the phylum Mollusca includes organisms with a coiled shell?

• Bivalvia

• Cephalopoda

• Gastropoda

• Polyplacophora

Which of the following is a characteristic of the phylum Echinodermata?

• Bilateral symmetry

• Rough skin

• Jointed legs

• Chitin exoskeleton

Tags

NGSS.MS-LS4-2

Which class in the phylum Cnidaria includes sea anemones and corals?

• Hydrozoan

• Anthozoan

• Cubozoa

• Scyphozoa

What is a characteristic of the phylum Ctenophora?

• Nematocysts

• No nematocysts

• Medusa stage

• Polyp stage

Which class in the phylum Echinodermata includes sea cucumbers?

• Asteroidea

• Ophiuroidea

• Holothuroidea

• Crinoidea

What is a characteristic of the phylum Porifera?

• Radial symmetry

• Tiny pores for filter feeding

• Medusa stage

• Polyp stage

What is a characteristic of the phylum Ctenophora?

• Nematocysts

• Medusa stage

• No nematocysts

• Polyp stage

Which type of symmetry is characterized by two mirrored halves?

• Asymmetrical

• Radial Symmetry

• Bilateral Symmetry

• No Symmetry

What type of symmetry does a sponge exhibit?

• Radial Symmetry

• Bilateral Symmetry

• Asymmetrical

• Concentric Symmetry

Which organism is not a member of the phylum Mollusca?

• Chiton

• Sea Slug

• Squid

• Sea Star