Bio II Final review #51-75

Class of cnidarian that has a cube shaped medusa and includes sea wasps and box jellies

• Schyphozoa

• Anthozoa

• Hydrozoa

• Cubozoa

Cnidarian body form consisting of a cylindrical body with tentacles radiating from one end

• medusa

• mesoglea

• cubozoa

• polyp

The echinoderms that look like warty, moving pickles are

• sea urchins

• sea stars

• sea cucumbers

• feather stars

The skeleton of an echinoderm is an

• exoskeleton made of chitin

• endoskeleton made of chitin

• endoskeleton made of calcium carbonate

• exoskeleton made of calcium carbonate

Hookworms, pinworms, and threadworms are examples of

• annelids

• roundworms

• flatworms

• marine worms

Both roundworms and rotifers have

• radial symmetry

• complete digestive tracts

• segmented bodies

• gastrovascular cavities.

The space labeled X is called a

• protostome

• deuterostome

• coelom

• pseudocoelom

 Food enters a flatworm’s body cavity through a muscular tube called a

• flame cell

• pharynx

• ganglion

• coelom

Earthworms have a digestive system

• with two openings

• with one opening

• within a true coelom

• that branches into multiple passages

A type of worm that is an external parasite is the

• tapeworm

• polychaete

• leech

• earthworm