Mr. Todd 4th Echinoderms

What does Echinoderms mean

• soft

• little rings

• jointed foot

• spiny skin

What kind of symmetry do echinoderms have?

• asymmetrical

• bilateral symmetry

• radial symmetry

What kind of skeleton do echinoderms have

• endoskeleton

• exoskeleton

What do the tube feet provide?

• locomotion

• attack

• Swim

• food gathering

How many species of echinoderms are in the ocean

• 1 million

• 5 thousand

• 2 thousand

• 3 thousand

Where do they echinoderms consume prey

• inside

• outside

What are the three things that echinoderms do?

• they clean ocean floor

• control algae growth

• they attack humans

• Source of food for predators

• Repopulate

How do brittle star arms move?

• snake like motion

• fish like motion

• worm like motion

What do you call the internal system of fluid-filled tubes inside the echinoderm?

• internal system

• water vascular system

• external system

• immune system

What kind of texture do the plates give?

• smooth

• Shiny

• rough

• bumpy