Multiple Choice
Which is NOT a correct association of structure and function in sea star anatomy?
A) Ampullae-end of the tube foot that bears the sucker
B) Polian vesicles-fluid storage
C) Tiedemann's bodies-production of coelomocytes
D) Lateral canals-connects the radial canal to the tube feet and has one-way valves
E) Stone canal-joins the madreporite and ring canal
Correct Answer:

Verified
Correct Answer:
Verified
Q3: On the inner end of each tube
Q4: Hemichordates show relationships to<br>A)arrow-worms.<br>B)arthropods and annelids.<br>C)molluscs and
Q5: If you went to the ocean and
Q6: Hemichordates live<br>A)in the open ocean with a
Q7: The early embryology of hemichordates is much
Q9: Echinoderm evolution is controversial but most zoologists
Q10: If you examined a biology class chart
Q11: The larvae of echinoderms have _ symmetry.
Q12: The larva of enteropneust hemichordates is known
Q13: A complex chewing apparatus found in many