i he chordates HW 11 (Hemichordates&Chordates;) Saved Help Save &Exit; Most zool
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i he chordates HW 11 (Hemichordates&Chordates;) Saved Help Save &Exit; Most zoologists reject Garstang's hypothesi paleontological evidence. Imagine the unlikely scenario that follows. New evidence has demonstrated errors in our understanding of early vertebrate evolution and strongly supports Garstang's ideas. How does this evidence change vertebrate evolution? Select each statement that applies s on the origin of vertebrates based on strong genetic, developmental, and our picture of early 3.33 points Check All That Apply Skipped Ancestral chordates would have been free swimming, not sessile as envisioned in current hypotheses References Paedomorphosis would explain the trensition between sessile and free-swimming stages The sessile adult stage seen in Urochordata would likely be a likely ancestral state The free-swimming Cephalochordate would represent an ancestral state for all other chordatesExplanation / Answer
Answer
The free swimming Cephalochordata would represent the ancestral state for all other chordates.
Cephalochordate Origin Chamberlain 1900 - studied the primitive and advanced characters of cephalochordates and proposed that while extant cephalochordates possess all chordate characters in typical state
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