Animal Phyla Practice

This phylum means "spiny skin" and lives in water.

• Echinoderm

• Arthropod

• Mollusk

• Annelid

What type of body symmetry is displayed in the picture?

• asymmetry

• bilateral symmetry

• radial symmetry

• photosynthesis

Organisms like sponges, which lack body tissues and body symmetry, belong to which phylum?

• Cnidaria

• Mollusca

• Echinodermata

• Porifera

Mollusks include which of the following animals?

• Octopus, Squid, Clams, Snails

• Corals, Jellyfish, Sea anemones

• Sea stars, Sea cucumbers, Sea urchins

• Insects, Lobsters, Crabs, Scorpions

Animals that have jointed appendages and an exoskeleton are members of the phylum

• platyhelminthes

• arthropoda

• porifera

• chordata

Animals that have a backbone belong in which phylum?

• echinoderms

• mollusks

• arthropods

• chordates

Which phylum includes hookworms, heart worms, and other parasites known as roundworms?

• Platyhelminthes

• Nematoda

• Annelida

• Cnidaria

What is the defining characteristic of members of the phylum Cnidaria?

• stinging tentacles

• spinal cords

• jointed legs

• flattened bodies

This phylum includes segmented worms such as the common earthworm and leech.

• Annelids

• Nematodes

• Platyhelminthes

• Mollusks

Flatworms are included in which phylum of animals?

• Platyhelminthes

• Annelida

• Chordata

• Cnidaria