Biology, Tuesday Exit Ticket, 5.15.18

What echinoderm is this?

• sea lily 
• sea urchin 
• sea cucumber 
• sand dollar 

Tags

NGSS.MS-LS4-2

What does the term echinoderm mean?

• tube feet
• star shaped
• spiny skin
• stomach foot

Echinoderms have an internal skeleton and a system of fluid-filled tubes called a(n)...

• water vascular system
• nervous system
• notochord
• ampulla

Which is an example of an Echinoidea member? 

• sea star
• sand dollar
• sea cucumber
• sea lilies 

What type of skeleton do echinoderms have?

• Exoskeleton
• Hydrostatic skeleton
• Endoskeleton
• Mesenteric skeleton