Echinodermata Quiz

What does the term 'Echinodermata' mean?

• Smooth surface

• Soft skin

• Spiny skin

• Hard shell

Which of the following is NOT an organism in the phylum Echinodermata?

• Sea cucumbers

• Sand dollars

• Jellyfish

• Sea stars

What type of symmetry do echinoderms exhibit?

• Spherical symmetry

• Asymmetry

• Bilateral symmetry

• Radial symmetry

What do organisms in the phylum echinodermata use to move around?

• Tube feet

• Tail

• Chitin

• Silica

Which of the following is a characteristic of echinoderms?

• Head and brain

• Exoskeleton

• Segmented body

• Tube feet

What is the process called when sea cucumbers eject their internal organs for protection?

• Respiration

• Excretion

• Regeneration

• Evisceration

Where is the mouth located on the under side of the body?

• On the tip of the arm

• On the oral surface

• On the aboral surface

• On the side of the body

How do echinoderms reproduce asexually?

• By fragmentation

• By binary fission

• By budding

• By regenerating lost parts

What term matches this definition: bulblike sac that each tube feet connects to to create suction with the water?

• Tentacles

• Ampulla

• Nerve ring

• Pedicellariae

Where is the aboral surface located?

• Left side of the body

• Right side of the body

• Top of the body

• Bottom of the body