Echinoderms
10 Questions
| Total Attempts: 133
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This is a quiz on echinoderms
Questions and Answers
- 1.What do Enchinoderms develope from?
- A.
Bilaterally symmetrical Larvae
- B.
Radially symmetrical Larvae
- C.
Eggs
- D.
Nothing
- 2.When they are grown up they are what type of symmetry?
- A.
Bilaterally symmetrical
- B.
Radially symmetrical
- C.
Not symmetrical
- D.
None of the above
- 3.How many classes are in the phylum Enchinoderm?
- A.
3
- B.
4
- C.
5
- D.
7
- 4.A Network of water filled canals inside thier body is called
- A.
Tube feet
- B.
Water-vascular system
- C.
Ossicles
- D.
Pedicellariae
- 5.They have many small, moveable extensions of the water-vascular system called
- A.
Tube feet
- B.
Water-vascular system
- C.
Ossicles
- D.
Pedicellariae
- 6.The Fertilized egg develops into bilaterally symetrical, free swimming larvae called
- A.
Stone canal
- B.
Ampulla
- C.
Bipinnaria
- D.
Ring canal
- 7.Which of the following is an Enchinoderm?
- A.
Whale
- B.
Starfish
- C.
Crocodile
- D.
Giraffe
- 8.What type of Circulatory system do they Enchinoderms have?
- A.
Open
- B.
Closed
- C.
Spiral
- D.
Don't have one
- 9.Excretion and diffusion take place where?
- A.
Skin gills
- B.
Lungs
- C.
Ampulla
- D.
Anus
- 10.Water enters the water vascular system through the little pores called
- A.
Ampulla
- B.
Skin gills
- C.
Madreporite
- D.
Bipinnaria
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