Marine Invertebrates and Their Characteristics Quiz

Jellyfish belong to the phylum Cnidaria.

Marine invertebrates lack a backbone.

Cnidarians do not have a hard shell.

Arthropoda includes animals with jointed legs and a hard exoskeleton.

A cephalopod's siphon is used for locomotion.

Mollusks undergo metamorphosis during their life cycle.

Mollusca includes animals with a mantle and a radula.

Mollusca includes animals with a soft body and often a protective shell.

Echinodermata includes animals with a calcareous test.

Mollusca includes animals with a muscular foot, visceral mass, and mantle.

Echinodermata includes animals with a water vascular system and tube feet.

Annelida includes animals with a segmented body and setae for locomotion.

Mollusks possess a radula for feeding.

Echinodermata includes animals with a water vascular system.

Echinoderms do not have a segmented body.

Tube feet in echinoderms are primarily used for feeding and locomotion.

Annelids do not have radial symmetry.

Cnidaria exhibits a nerve net rather than a central nervous system.

Chordata includes animals with a notochord at some stage of their life cycle.

Mollusks do not have a notochord.

Cnidaria includes animals with a nerve ring and radial nerves.

Annelida includes animals with a hydrostatic skeleton.