Refer to the figure. 
Which characteristic is shared by all the animals shown in the figure?
A) Pharyngeal slits
B) Internal skeleton
C) Blastopore that develops into the anus
D) Ciliated larva
E) Water vascular system
Correct Answer:
Verified
Q4: The _ of a sea star, a
Q5: Which of the following is not a
Q6: The _ are likely closely related to
Q7: You find a fossil deuterostome in marine
Q8: A calcified internal skeleton is characteristic of
Q10: Which of the following is not a
Q11: Living deuterostomes comprise three clades: the echinoderms,
Q12: Which of the following echinoderms does not
Q13: In _, the coelom arises from _
Q14: A _ that develops from mesodermal pockets
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