Part A The following question refers to the evolutionary tree below, whose horizontal axis represents time (present time is on the far right) and whose vertical axis represents morphological change. Present V Which of these five species is the extant (i.e., not extinct) species that is most closely related to species X, and why is this so? V; shared a common ancestor with X most recently W; shared a common ancestor with X most recently Y; arose in the same fashion (i.e., at the same tempo) as X Z; shared a common ancestor with X most recently, and arose in the same fashion as X This tree does not provide enough information to answer this question.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Part A
The following question refers to the evolutionary tree below, whose horizontal axis represents time (present time is on the
far right) and whose vertical axis represents morphological change.
Present
V
Which of these five species is the extant (i.e., not extinct) species that is most closely related to species X, and why is this
so?
V; shared a common ancestor with X most recently
W; shared a common ancestor with X most recently
Y; arose in the same fashion (i.e., at the same tempo) as X
Z; shared a common ancestor with X most recently, and arose in the same fashion as X
O This tree does not provide enough information to answer this question.
O O
O O
Transcribed Image Text:Part A The following question refers to the evolutionary tree below, whose horizontal axis represents time (present time is on the far right) and whose vertical axis represents morphological change. Present V Which of these five species is the extant (i.e., not extinct) species that is most closely related to species X, and why is this so? V; shared a common ancestor with X most recently W; shared a common ancestor with X most recently Y; arose in the same fashion (i.e., at the same tempo) as X Z; shared a common ancestor with X most recently, and arose in the same fashion as X O This tree does not provide enough information to answer this question. O O O O
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