Animal Classification Trivia Test For 6th Grade! Quiz

Cnidarians have multiple body openings that are surrounded by a ring of stinging cells.

Cnidarians have a single body opening that is usually surrounded by a ring of stinging cells.

Sea fans and jelly fish are cnidarians

Alternatives B and C are correct

Mollusks are vertebrates

Mollusks have hard bodies and shells

Mollusks have soft bodies and hard shells

Some examples of mollusks are jelly fish and star fish

Earthworms and leeches are Annelids

Annelids have bodies that are divided into segments

Annelids may also be called segmented worms

All of the alternatives are correct

Arthropods are organisms with segmented bodies and skeletons in the inside of their bodies.

Insects, spiders, crabs, millipedes and centipedes are all arthopods.

Arthropods include 25% of animal species.

All arthropods have 6 legs

Sea stars and sea urchins are not examples of echinoderms.

Not all echinoderms live in the ocean.

Echinoderms have spines or legs that radiate from the center of their body.

Echinoderm bodies have a unique three-part balanced arrangement of parts.

Tarantulas are chordates.

Chordates are animals that do not have a backbone.

Animals from the Chordate Phyla are simple and underdeveloped.

Chordates have interior skeletons, bilateral symmetry and more advanced brains.