Echinoderm Study Guide
Know the answers to the following:
| A water vascular system is a trait of? |
| Clams are the basic food for what echinoderm? |
| A sea star feeds by extending what? |
| A sea star’s endoskeleton is made of what type of plates? |
| What around the mouth of a starfish helps coordinate its movements? |
| Tube feet are part of what echinoderm system? |
| The blastopore becomes the anus in what type of organism? |
| Are chordates & echinoderms protostomes or deuterostomes? |
| Echinoderms like the sea urchin have what type of symmetry? |
| Are echinoderms fast or slow moving organisms? |
| How do echinoderms move? |
| Echinoderm larva have what type of symmetry? |
| What are the muscular sacs that force water through the water vascular system called? |
| In what phylum are sea squirts or tunicates? |
| Tunicates have a leathery what? |
| What animals are in the class Ophiuroidea? |
| How do basket stars & brittle stars differ? |
| What is the purpose of spines on a brittle stars arms? |
| Name an adult echinoderm with bilateral symmetry. |
| Do humans have a tail at any point during their development? |
| What was the function of gill slits in early chordates? |
| What is the flexible tube below the nerve cord in chordates called? |
| Where are lancelets usually found? |
Be able to label the parts of the water vascular system of a starfish.
