INSTRUCTION: - Do not copy on Google or here in Bartleby - Answer the question properly    Figure 1: The phylogenetic tree of the Mysticeti. Question 1. Refer to Figure. What morphological traits does the new fossil, Janjucetus hunderi, share with the extant odontocetes? Please refer your answer on the image provided.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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INSTRUCTION:

- Do not copy on Google or here in Bartleby

- Answer the question properly 

 

Figure 1: The phylogenetic tree of the Mysticeti.

Question 1. Refer to Figure. What morphological traits does the new fossil, Janjucetus hunderi, share with the extant odontocetes? Please refer your answer on the image provided.

(not to scale)
Pleist.
Pliocene
Miocene
Oligocene
Eocene
1.8
5.3
Late
11.6
Middle
15.9
Early
23.0-
Late
0
28.0-
Early
Late
34.0-
▬▬▬▬▬
38.0-
Middle
Early
48.6
55.85
Hippopotamus
!
Georgiacetus!
E
Zygorhiza
Odontoceti,
ChMTM®
99(9)
100(35)
macrophagy
(teeth only)
Sana
Janjucetus*
Mammalodon
bulk filter-
feeding
(teeth/baleen)
Chonecetus
Actiocetus
Eomysticetus
57(2)
76(4)
(1)
broad-based rostrum
bulk filter-feeding (baleen only)
Diorocetus
Caperea
92(5)
Pelocetus
100(13)
Eubalaena:
63(4)-
small body size
foreshortened rostrum
fibrocartilaginous mandibular symphysis
94(8)
large body size
edentulous rostrum
baleen
elongated and flattened rostrum
Eschrichtius D
Balaenoptera
54(3)
Transcribed Image Text:(not to scale) Pleist. Pliocene Miocene Oligocene Eocene 1.8 5.3 Late 11.6 Middle 15.9 Early 23.0- Late 0 28.0- Early Late 34.0- ▬▬▬▬▬ 38.0- Middle Early 48.6 55.85 Hippopotamus ! Georgiacetus! E Zygorhiza Odontoceti, ChMTM® 99(9) 100(35) macrophagy (teeth only) Sana Janjucetus* Mammalodon bulk filter- feeding (teeth/baleen) Chonecetus Actiocetus Eomysticetus 57(2) 76(4) (1) broad-based rostrum bulk filter-feeding (baleen only) Diorocetus Caperea 92(5) Pelocetus 100(13) Eubalaena: 63(4)- small body size foreshortened rostrum fibrocartilaginous mandibular symphysis 94(8) large body size edentulous rostrum baleen elongated and flattened rostrum Eschrichtius D Balaenoptera 54(3)
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