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Modification of the Pharyngeal Slits for First Use in Respiration

Question 10

Multiple Choice

Modification of the pharyngeal slits for first use in respiration occurred in early


A) fish with the development of gills.
B) amphibians with the development of external gills.
C) reptiles with the development of the modern lung.
D) lophophorates well before we reach the chordates.
E) echinoderms as a new respiratory apparatus.

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