Echinoderm Review For Quiz

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Echinoderm Review For Quiz Dissection
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Questions 1

• What kingdom are starfish in?

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Question 2

• What phylum are starfish in?

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Question 3

• What systems are present in starfish?

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Question 4

• What symmetry do starfish have?

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Question 5

• What are the two ways in which starfish reproduce?

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Question 6

• What do starfish eat?

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Question 7

• Name two other animals in this phylum besides
  starfish.

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Question 8

• Compare and contrast the water vascular system
  to our circulatory system.

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Question 9

• Explain the difference between an exoskeleton and
  an endoskeleton.

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Question 10

• This disk shaped structure is the opening for
  water to come into the starfish.
• Tube feet
• Mouth
• Ampullae
• Madreporite

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Question 11

• This structure is used for gas exchange and
  excretion as well as for movement.
• Ampullae
• Tube feet
• Mouth
• Stomach

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Question 12

• This structure produces sperm and eggs.
• a. Ray
• b. Digestive gland
• c. Reproductive organ
• d. Eyespots

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Question 13

• This structure produces digestive enzymes that
  break down food.
• Digestive gland
• Radial canal
• Mouth
• Ampullae

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Question 14

• This structure allows water to move around the
  center of the body before it goes to the rays
  (arms).
• Radial canal
• Ampullae
• Tube feet
• Ring canal

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Question 15

• This structure makes the tube feet open and
  close.
• Ampullae
• Mouth
• Pedicellariae
• Stomach

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Question 16

• This structure is sometimes pushed out of the
  body to break down food.
• Stomach
• Anus
• Mouth
• Digestive glands

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Question 17

• This structure runs down each ray (arm) to move
  water.
• Ring canal
• Radial canal
• Ampullae
• Tube feet

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Question 18

• This structure determines light form dark.
• a. Mouth
• b. Anus
• c. Pedicellariae
• d. Eyespots

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Question 19

• This structure looks like pinchers and aids in
  cleaning the surface of the body.
• Ring canal
• Radial canal
• Ampullae
• Pedicellariae

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Question 20

• How could you double the population of a starfish
  colony?

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Question 21
B
A
C
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Question 22
E
D
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Question 23
F
G
H
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Question 24
I
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Question 25
J
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Answers

• Animalia
• Echinoderm
• Digestive, Reproductive, Nervous, Excretory
• Radial
• Sexual and regeneration
• Worms or clams
• Brittle star, sea urchin, sand dollar, sea
  cucumber, sea lilies, feather star

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1. Compare The water vascular system transports
   food and waste around to the cells in the body
   just like our blood does. Contrast The water
   vascular system uses water to move materials
   around the body and humans use blood.
2. Exoskeleton is a hard structured used for support
   found on the outside of the body (like lobsters).
   An endoskeleton is a hard structure used for
   support on the inside of an animal.

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1. D
2. B
3. C
4. A
5. D
6. A
7. A
8. B
9. D
10. D
11. Cut the starfish in half and put them in the
    water to regenerate.

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• 21.
• A. Arms / Rays
• B. Eyespots
• C. Madreporite
• 22.
• D. Tube Feet
• E. Mouth
• 23.
• F. Ring Canal
• G. Radial Canal
• H. Ampullae
• 24.
• I. Digestive Gland
• 25.
• J. Reproductive Organ (Gonad)