Exploring Animal Kingdom Phylums

Which of the following animal phyla is characterized by having a segmented body and jointed appendages?

• Mollusca

• Arthropoda

• Porifera

• Echinodermata

Given the following animals: earthworm, jellyfish, and snail, which one belongs to the phylum Annelida?

• Earthworm

• Jellyfish

• Snail

• None of the above

Which phylum would you classify a starfish under, based on its radial symmetry and water vascular system?

• Echinodermata

• Cnidaria

• Platyhelminthes

• Nematoda

Tags

NGSS.MS-LS4-2

If an animal has a soft, unsegmented body and usually a hard external shell, to which phylum does it most likely belong?

• Mollusca

• Arthropoda

• Chordata

• Porifera

Which of the following is a distinguishing feature of the phylum Cnidaria?

• Presence of stinging cells (nematocysts)

• Segmented body

• Exoskeleton

• Jointed legs

A biologist finds a simple animal with pores all over its body and no true tissues. To which phylum does this animal most likely belong?

• Porifera

• Nematoda

• Annelida

• Chordata

Which phylum includes animals that have a notochord at some stage in their development?

• Chordata

• Mollusca

• Arthropoda

• Platyhelminthes

Which of the following animals is an example of the phylum Nematoda?

• Roundworm

• Earthworm

• Leech

• Octopus

Tags

NGSS.MS-LS4-2

A student is given a flatworm, a roundworm, and a segmented worm. How should the student classify them into their respective phyla?

• Flatworm: Platyhelminthes, Roundworm: Nematoda, Segmented worm: Annelida

• Flatworm: Nematoda, Roundworm: Annelida, Segmented worm: Platyhelminthes

• Flatworm: Annelida, Roundworm: Platyhelminthes, Segmented worm: Nematoda

• Flatworm: Mollusca, Roundworm: Arthropoda, Segmented worm: Echinodermata

If you observe an animal with bilateral symmetry, a pseudocoelom, and a complete digestive tract, to which phylum does it most likely belong?

• Nematoda

• Porifera

• Cnidaria

• Echinodermata

Tags

NGSS.MS-LS4-2