Echinoderms

1. Which of the following is an Enchinoderm?

Whale

Starfish

Crocodile

Giraffe

2. A Network of water filled canals inside thier body is called

Tube feet

Water-vascular system

Ossicles

Pedicellariae

3. They have many small, moveable extensions of the water-vascular system called

Tube feet

Water-vascular system

Ossicles

Pedicellariae

4. How many classes are in the phylum Enchinoderm?

3

4

5

7

5. When they are grown up they are what type of symmetry?

Bilaterally symmetrical

Radially symmetrical

Not symmetrical

None of the above

6. What do Enchinoderms develope from?

Bilaterally symmetrical Larvae

Radially symmetrical Larvae

Eggs

Nothing

7. The Fertilized egg develops into bilaterally symetrical, free swimming larvae called

Stone canal

Ampulla

Bipinnaria

Ring canal

8. Water enters the water vascular system through the little pores called

Ampulla

Skin gills

Madreporite

Bipinnaria

9. What type of Circulatory system do they Enchinoderms have?

Open

Closed

Spiral

Don't have one

10. Excretion and diffusion take place where?

Skin gills

Lungs

Ampulla

Anus

Echinoderms

1. Which of the following is an Enchinoderm?

2.

What first name or nickname would you like us to use?

2. A Network of water filled canals inside thier body is called

3. They have many small, moveable extensions of the water-vascular system called

4. How many classes are in the phylum Enchinoderm?

5. When they are grown up they are what type of symmetry?

6. What do Enchinoderms develope from?

7. The Fertilized egg develops into bilaterally symetrical, free swimming larvae called

8. Water enters the water vascular system through the little pores called

9. What type of Circulatory system do they Enchinoderms have?

10. Excretion and diffusion take place where?