Echinoderms

What does the name 'Echinodermata' literally mean?

• Water animals

• Sea creatures

• Star shaped

• Spiny skin

Where can echinoderms be found?

• In the sky

• In fresh water

• On land

• In the sea

What is common to all echinoderms?

• Six arms

• Ability to fly

• Green color

• Radial symmetry

How many arms does a north Atlantic common sea star have?

• 8

• 22

• 10

• 5

What is the water vascular system used for in echinoderms?

• Walking

• Seeing

• Breathing

• Eating

What is the correct term for star-shaped animals?

• Sea stars

• Starfish

• Sun stars

• Asterozoa

What do brittle stars and basket stars generally use their arms for?

• Hiding

• Hunting larger prey

• Walking

• Catching plankton

What do feather stars use to move food to their mouth?

• Spines

• Cilia

• Tentacles

• Tube feet

What do sea cucumbers use to feed?

• Spines

• Cilia

• Tube feet

• Tentacles

What defense mechanism do some sea cucumbers have?

• Flying away

• Ejecting sticky goop

• Turning invisible

• Shooting water