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A. always present
B. newly developedC. originating in a common ancestorD. passed down from descendentsFeedback:CorrectQuestion 9 of 101.0/ 1.0 PointsHumans belong in the phylum Chordata. The name Chordata is also known as the
D. scientific nameE. taxonFeedback:CorrectQuestion 10 of 101.0/ 1.0 PointsSince phylogenetic trees are essentially ________, they are subject to revision as new information isobtained