30. Refer to the figure shown here. Which of the following would have been a selective agent or pressure that could lead to the reduction in hindlimbs through time? Present 10 MYA 20 MYA 30 MYA 40 MYA 50 MYA 60 MYA- Modern toothed whales The reduced hind limbs of Rodhocetus kasrani could not have alded it in walking or swimming. Rodhocetus swam with an up-and-down motion, as do modern whales. Hypothetical mesonychid skeleton Ambulocetus natans probably walked on land (as do modern sea lions) and swam by flexing its backbone and paddling with its hind limbs (as do modern otters).
30. Refer to the figure shown here. Which of the following would have been a selective agent or pressure that could lead to the reduction in hindlimbs through time? Present 10 MYA 20 MYA 30 MYA 40 MYA 50 MYA 60 MYA- Modern toothed whales The reduced hind limbs of Rodhocetus kasrani could not have alded it in walking or swimming. Rodhocetus swam with an up-and-down motion, as do modern whales. Hypothetical mesonychid skeleton Ambulocetus natans probably walked on land (as do modern sea lions) and swam by flexing its backbone and paddling with its hind limbs (as do modern otters).
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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Transcribed Image Text:30.
The theory of evolution is supported by multiple sour
and by a variety of fields of study.
True or False
Refer to the figure shown here. Which of the following would have been a selective agent or pressure
that could lead to the reduction in hindlimbs through time?
Present
10 MYA
20 MYA
30 MYA
40 MYA
50 MYA
60 MYA
False
p
Modern toothed whales
The reduced hind limbs of
Rodhocetus kasrani could not have
alded it in walking or swimming.
Rodhocetus swam with an up-and-down
motion, as do modern whales.
Hypothetical
mesonychid
skeleton
www
M
Ambulocetus natans
probably walked on land (as do
modern sea lions) and swam by
flexing its backbone and paddling with
its hind limbs (as do modern otters).
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