Unit 3 - Phylum Practice

Which of the following phyla refers to the sponges?

• Cnidaria

• Porifera

• Ctenophora

• Mollusca

• Arthropoda

Which phylum includes squids?

• Gastropoda

• Cephalopoda

• Mollusca

• Arthropoda

• Cnidaria

Do barnacles and lobsters both belong to the same phylum?

• Yes, they are both arthropods.

• Yes, they are both mollusks.

• Yes, they are both echinoderms.

• No, they do not.

Are comb jellies and jellyfish in the same phylum?

• No--comb jellies are cnidarians, and jellyfish are ctenophores.

• Yes.

• No--comb jellies are ctenophores and jellyfish are cnidarians.

Which of the following phyla refers to the complex worms?

• Nematoda

• Annelida

• Platyhelminthes

• Nemertea

Which of the following refers to sea stars and sea cucumbers?

• Echinodermata

• Mollusca

• Arthropoda

• Porifera

• Cnidaria

Which phylum refers to flat worms?

• Ctenophora

• Platyhelminthes

• Nemertea

• Nematoda

• Annelida

Which phylum do sea lilies belong to?

• Echinodermata

• Mollusca

• Arthropoda

• Nematoda

Which phylum refers to round worms?

• Nemertea

• Nematoda

• Annelida

• Platyhelminthes

Which phylum refers to ribbon worms?

• Nematoda

• Nemertea

• Annelida

• Platyhelminthes