| A | B |
| A Water Vascular System is a trait of? | Enchinoderms |
| Clams are the basic food for what echinoderms? | Sea Stars |
| A sea star feeds by extending what? | Stomach |
| A sea star’s endoskeleton is make of what type of plates? | Calcium Carbonate |
| What around the mouth of a starfish helps coordinate its movements? | Tube Feet |
| Tube feet are part of what echinoderm system? | Water Vascular System |
| Echinoderms like the sea urchin have type of symmetry? | Radial Symmetry |
| Do echinoderms move fast or slow? | Slow Moving |
| How do echinoderms move? | Tube Feet |
| Echinoderm Larva have what type of symmetry? | Bilateral Symmetry |
| What are the muscular sacs that force water through the water vascular system called? | Ampula |
| In what phylum are sea squirts or tunicates? | Cordata |
| Tunicates have a leathery what? | Tunic |
| What animals are in the class Ophiuroidea? | Brittle stars |
| How do basket stars & brittle stars differ? | Brittle Stars detach their arms |
| What is the purpose of spines on a brittle stars names? | Defense |
| Name an adult echinoderm with bilateral symmetry | None |
| Do humans have a tail at any point during their development | Yes |
| What is the flexible tube below the nerve cord in chordates called? | Notochord |
| Where are lancelets usually found? | Shallow Marine Water |
| What is an anthropod? | Uses gills for gas exchange; filter feeder |
| What is a copepod? | Uses antenna to swim; filter feeder; important in plankton |
| What is an amphiopod? | Have legs to crawl or jump; curved back; example is sand crab |
| What is an isopod? | Have legs to crawl or jump; curved back; rolliepollie; pillbug |
| What is a euphausids? | Krill; planktonic; bottom of food chain in polar waters |
| What does it mean to be a echinoderm? | To have spiny skin; nervous system without a brain (examples are sea star and cucumber) |
| What phylum is seastar in? | class Asteroida |
| What phylum is brittle stars in? | class Ophiurodea |
| What phylum is sea urchins and biscuits in?n? | class Echinoidea |
| What phylum is crinoids in? | class Crinoidea |
| What phylum is sea cucumbers in? | class Holotnuroidea |
| What phylum is tunicates and lancelets in? | class Chordata |
| What is a cephalothorax? | Thorax and abdomen of an arthropod |