What Do Know About Phylum Echinodermata? Trivia Quiz
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Echinoderms are animals that belong to any member of the phylum Echinodermata. These animals are invertebrates having spiny skin which can easily be identified by their radial symmetry such as starfish, sea urchins, sand dollars, etc. This quiz has been developed to test your knowledge about different species which belong to Phylum Echinodermata. Read the questions carefully and answer. All the best!
- 1.Which one is incorrectly paired?
- A.
Class Asteroidea - sea star
- B.
Class Ophiuroidea- feather star
- C.
Class Echinoidea – sea urchin
- D.
Class Holothuroidea- sea cucumber
- 2.True or False: Adult echinoderms are radially symmetrical.
- A.
True
- B.
False
- 3.Which of the following is NOT true of echinoderms?
- A.
They are all marine
- B.
Adult echinoderms have a dorsal nerve cord
- C.
Their larvae are planktonic
- D.
Their larvae are bilaterally symmetrical
- E.
Adult echinoderms have pentamerous symmetry
- 4.True or False? Echinoderms have organ system level of organization.
- A.
True
- B.
False
- 5.The oral surface of most echinoderms
- A.
Is on its bottom side
- B.
Is where its mouth is
- C.
Is on its top side
- D.
A and b are correct
- E.
B and c are correct
- 6.Which of the following is NOT true about tube feet?
- A.
The water vascular system ends in the tube feet
- B.
Tube feet are muscular
- C.
Tube feet are part of the endoskeleton
- D.
Tube feet are used for locomotion
- E.
Stimuli are received by the tube feet
- 7.Which of the following is NOT a diagnostic characteristic of echinoderms?
- A.
Pentameral radial symmetry
- B.
A water vascular system
- C.
An internal skeleton
- D.
Tentacles that are used for locomotion
- E.
An organ system level of organization
- 8.Since a starfish has NO INTESTINE, the nutrients are absorbed by the
- 9.In Latin the name "echinoderm" means
- 10.Name one of the 3 characteristics that are found only in echinoderms
- 11.Water enters the water vascular system through small pores in the
- 12.True or False: Starfish have closed circulation
- A.
True
- B.
False
- 13.The small movable suction cupped extensions of the vascular system which aid in locomotion and feeding are called
- A.
Oral spine
- B.
Gills
- C.
Tube feet
- D.
Tentacles
- 14.All of the following are parts of the water vascular system EXCEPT
- A.
Stone canal
- B.
Ring canal
- C.
Ambulacral canal
- D.
Radial canal
- 15.Tell the body system each part belongs to: Madreporite Nerve ring Ring canal Ossicles Gonads Skin gills Cardiac stomach
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