Which of the following observable characteristics places the yunnanozoan fossils in the deuterostome group?
A) Radial symmetry
B) Pharyngeal slits
C) Radial cleavage
D) Formation of the anus from the blastopore
E) Light cuticle
Correct Answer:
Verified
Q13: In _, the coelom arises from _
Q14: A _ that develops from mesodermal pockets
Q15: Fossil evidence indicates that the earliest deuterostomes
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Q17: Which of the following did not occur
Q19: Which echinoderm group lacks "arms"?
A) Sea feathers
B)
Q20: A water vascular system may be advantageous
Q21: Acorn worms and pterobranchs have a body
Q22: _ possess a _ in their larval
Q23: Alongside a rocky tide pool, you discover
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