Spiny-Bodied Animals

This is a close up sand dollar.

1.  Spiny bodied animals are the most complex invertebrates.
2. They can only live in  the ocean.
3.  There are 5 types of spiny bodied animals.
4. They have 5 body parts.
5. Some people collect them.

   

   This is the mouth of a "brittle" star.

   

   This is a sea cucumber.

   

   This is a sea star.

This is an urchin.