Use the diagram below to answer the next question. (Diagram can also be found in Campbell Biology 3rd Canadian Edition; Figure 22.17 Tree thinking: information provided in an evolutionary tree.) Each branch point represents the common ancestor of the two lineages diverging from that point. Lungfishes Amphibians Mammals Digit-bearing limbs Lizards and snakes Amnion Crocodiles A hatch mark represents a homologous characteristic shared by all the groups to the right of the mark. Ostriches Feathers Hawks and other birds Which of the following conclusions is most consistent with the information in the evolutionary tree shown above? O Mammals are more closely related to birds than to amphibians. O Lizards and crocodiles (both of which have legs) are more closely related to each other than either is to snakes (which lack legs). Tetrapods Amniotes Reptiles Birds
Use the diagram below to answer the next question. (Diagram can also be found in Campbell Biology 3rd Canadian Edition; Figure 22.17 Tree thinking: information provided in an evolutionary tree.) Each branch point represents the common ancestor of the two lineages diverging from that point. Lungfishes Amphibians Mammals Digit-bearing limbs Lizards and snakes Amnion Crocodiles A hatch mark represents a homologous characteristic shared by all the groups to the right of the mark. Ostriches Feathers Hawks and other birds Which of the following conclusions is most consistent with the information in the evolutionary tree shown above? O Mammals are more closely related to birds than to amphibians. O Lizards and crocodiles (both of which have legs) are more closely related to each other than either is to snakes (which lack legs). Tetrapods Amniotes Reptiles Birds
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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which multiple choice?
Transcribed Image Text:Use the diagram below to answer the next question.
(Diagram can also be found in Campbell Biology 3rd Canadian Edition;
Figure 22.17 Tree thinking: information provided in an evolutionary
tree.)
Each branch point represents the common ancestor
of the two lineages diverging from that point.
Lungfishes
Amphibians
Mammals
Digit-bearing
limbs
Lizards
and snakes
Amnion
Crocodiles
A hatch mark represents a
homologous characteristic
shared by all the groups
to the right of the mark.
Ostriches
Feathers
Hawks and
other birds
Which of the following conclusions is most consistent with the
information in the evolutionary tree shown above?
O Mammals are more closely related to birds than to amphibians.
O Lizards and crocodiles (both of which have legs) are more closely related to
each other than either is to snakes (which lack legs).
étv
Tetrapods
Amniotes
Reptiles
Birds
Transcribed Image Text:O Mammals are more closely related to birds than to amphibians.
O Lizards and crocodiles (both of which have legs) are more closely related to
each other than either is to snakes (which lack legs).
Crocodiles are more closely related to hawks than to lizards.
Modern lungfishes are the common ancestor of modern tetrapods.
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