Placazoans are thought to branch early on the animal tree. Which of the following features of placozoans are consistent with this phylogenetic placement?
A) Placozoans have no differentiated gut cavity.
B) Placozoans have no nerve cells.
C) Placozoans exchange gases by diffusion.
D) Placozoans have low species diversity.
Correct Answer:
Verified
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A)no
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B)are
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