Multiple Choice
Which of the following are considered "irregular" urchins?
A) Sea urchins that swim
B) Sand dollars and heart urchins
C) Sea cucumbers
D) Crinoids
E) Brittle stars
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q65: The respiratory tree of sea cucumbers opens
Q66: The oral tentacles of the sea cucumber
Q67: Within basic research,sea urchins have been a
Q68: The fossil record of echinoderms<br>A)is sparse with
Q69: The larva of an acorn worm is<br>A)always
Q71: Structures in each arm of a sea
Q72: _ are pincer-like projections clustered on the
Q73: Arrow-worms feed<br>A)on plankton and small fish.<br>B)by retracting
Q74: The gill slits of enteropneust hemichordates function
Q75: The basic five arms of crinoids are