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sq pal ju (b) 13 M2 12 P4 M1 P3 Ci PI P2 (c) P1 P3 P2 MI M2 Figure 2 The close resemblance between the teeth of Janjucetus hunderi (a-d) and those of the currently living crab-eating seal, Lobodon carcinophagus (bottom image). (Seal image courtesy of Dr. Alistair Evans, Monash University, Australia.) Question 7. Refer to Figure 2 above showing the teeth of the fossil whale Janjucetus hunderi. As you can see, the teeth are very complex and closely resemble the teeth of a seal living in Antarctica today. This seal, Lobodon carcinophagus, is called a crab -eating seal, but its main diet consists of krill, which it filters out of the water through its complexly cusped teeth. Krill are also a major component of the diet of modern

sq pal ju (b) 13 M2 12 P4 M1 P3 Ci PI P2 (c) P1 P3 P2 MI M2 Figure 2 The close resemblance between the teeth of Janjucetus hunderi (a-d) and those of the currently living crab-eating seal, Lobodon carcinophagus (bottom image). (Seal image courtesy of Dr. Alistair Evans, Monash University, Australia.) Question 7. Refer to Figure 2 above showing the teeth of the fossil whale Janjucetus hunderi. As you can see, the teeth are very complex and closely resemble the teeth of a seal living in Antarctica today. This seal, Lobodon carcinophagus, is called a crab -eating seal, but its main diet consists of krill, which it filters out of the water through its complexly cusped teeth. Krill are also a major component of the diet of modern

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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sq pal 13 M2 12 P4 M1 P3 Ci PI P2 (c) CI P2 P3 P4 MI M2 Figure 2 and those of the currently living crab-eating seal, Lobodon carcinophagus (bottom image). (Seal image courtesy of Dr. Alistair Evans, Monash University, Australia.) The close resemblance between the teeth of Janjucetus hunderi (a-d) Question 7. Refer to Figure 2 above showing the teeth of the fossil whale Janjucetus hunderi. As you can see, the teeth are very complex and closely resemble the teeth of a seal living in Antarctica today. This seal, Lobodon carcinophagus, is called a crab -eating seal, but its main diet consists of krill, which it filters out of the water through its complexly cusped teeth. Krill are also a major component of the diet of modern Mysticeti. Why do the authors discount this similarity in tooth structure as evidence that Janjucetus hunderi was a filter feeder?
Transcribed Image Text:sq pal 13 M2 12 P4 M1 P3 Ci PI P2 (c) CI P2 P3 P4 MI M2 Figure 2 and those of the currently living crab-eating seal, Lobodon carcinophagus (bottom image). (Seal image courtesy of Dr. Alistair Evans, Monash University, Australia.) The close resemblance between the teeth of Janjucetus hunderi (a-d) Question 7. Refer to Figure 2 above showing the teeth of the fossil whale Janjucetus hunderi. As you can see, the teeth are very complex and closely resemble the teeth of a seal living in Antarctica today. This seal, Lobodon carcinophagus, is called a crab -eating seal, but its main diet consists of krill, which it filters out of the water through its complexly cusped teeth. Krill are also a major component of the diet of modern Mysticeti. Why do the authors discount this similarity in tooth structure as evidence that Janjucetus hunderi was a filter feeder?
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