9 Major Animal Phyla

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Which of the following characteristics generally applies to all Chordates?

This animal has a soft body with a hard shell. It has two openings and needs to stay moist.

This worm is relatively broad and flat. It has bilateral symmetry and one opening.

This animal has radial symmetry. It has one opening with tentacles surrounding it. Its tentacles have nematocysts that sting organisms that come into contact with them.

This worm is round and tapered at the ends. It is smooth bodied and covered in a thick cuticle. It has two openings.

This animal lacks organs and tissues. It does have specialized cells and one opening. It doesn't move and gets support from spicules. It is asymmetrical.

This animal has a backbone. It has bilateral symmetry and a nervous system including a brain.

This worm has a thin cuticle and a body that is divided into segments. It has two openings.