Zoo Lab Urochordata

  1. How many subphylums are in the phylum Chordata?
    • 3
    • Urochordata, Cephalochordata, Vertebrata
  2. Tunicates belong to what subphylum?
    Urochordata
  3. Lancelets belong to what subphylum?
    Cephalochordates
  4. Sea Squirts belong to what subphylum?
    Urochordata
  5. What is the thick outter covering called?
    Tunic
  6. What are stolons for?
    attatchment
  7. Describe the route that water travels in a sea squirt.
    enters through incurrent siphon, then it goes through the pharynx where food is caught on the endostyle, then it goes through the esaphogous, stomach, intestine, atrium and out the excurrent siphon
  8. What is the edge that secrets mucous called in a sea squirt?
    endostyle
  9. What is used for muscle attatchment in Urochordata?
    Notochord
  10. What is their endoskeleton made of?
    Cartalige or bone
  11. On tadpole larve what is the sucker like structures used for attatchment?
    Adhesive palpillae
  12. On tadpole larve what is the statocyst used for and where is it located?
    balance and equilibrium it is more on the top
  13. On tadpole larve where is the eyespot located?
    closest to the outside
  14. True or False: Muscles in Urochodrata aren't segmented?
    False, the muscles are segmented
  15. What is the Wheel Organ & what is it used for?
    ciliated structure that creates a current
  16. What are Myomeres?
    Muscle bundles
  17. Amphioxus belong to what subphylum?
    Cephalochordata
  18. In Amphioxus what produces digestive enzymes?
    Hepatic Diverticulum
  19. Buccal Cirri are used for?
    canosensory
Author
tbby5065
ID
76083
Card Set
Zoo Lab Urochordata
Description
Urochordata
Updated