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The phylogeny shows types of feathers below, and how early birds are related to each other. praptor Sinornithosaurus Other dromaeosaurs Birds Origin of simple feathers 3a+b Microrapter had type 2 feathers, Sinosaurus had type 2 feathers, and other dromeaeosaurs had ty feathers, the most parsimonious explanation would be that: a. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type feathers. b. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 2 feathers. c. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type feathers. d. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 3 feathers. 27

The phylogeny shows types of feathers below, and how early birds are related to each other. praptor Sinornithosaurus Other dromaeosaurs Birds Origin of simple feathers 3a+b Microrapter had type 2 feathers, Sinosaurus had type 2 feathers, and other dromeaeosaurs had ty feathers, the most parsimonious explanation would be that: a. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type feathers. b. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 2 feathers. c. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type feathers. d. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 3 feathers. 27

Human Anatomy & Physiology (11th Edition)
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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92. The phylogeny shows types of feathers below, and how early birds are related to each other. (a) Microraptor Sinornithosaurus Other dromaeosaurs Birds Origin of simple feathers За 3a+b If Microrapter had type 2 feathers, Sinosaurus had type 2 feathers, and other dromeaeosaurs had type 3a feathers, the most parsimonious explanation would be that: a. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 3a feathers. b. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 2 feathers. c. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 1 feathers. d. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 3a+b feathers. 27
Transcribed Image Text:92. The phylogeny shows types of feathers below, and how early birds are related to each other. (a) Microraptor Sinornithosaurus Other dromaeosaurs Birds Origin of simple feathers За 3a+b If Microrapter had type 2 feathers, Sinosaurus had type 2 feathers, and other dromeaeosaurs had type 3a feathers, the most parsimonious explanation would be that: a. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 3a feathers. b. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 2 feathers. c. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 1 feathers. d. the common ancestor to Microrapter, Sinosaurus, and other dromeosaurs had type 3a+b feathers. 27
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