When we refer to the dinosaurs in common language we are referring to a group oflarge reptiles that share an ancestor and lived millions of years ago. Dinosaurs are agroup however that does not include modern birds. Since dinosaurs gave rise to birdsthis means that;Dinosaurs are a paraphyletic groupDinosaurs are a polyphyletic groupDinosaurs are a monophyletic groupAny similarities between dinosaurs and birds is the result of random mutation

large reptiles that share an ancestor and lived millions of years ago. Dinosaurs are group however that does not include modern birds. Since dinosaurs gave rise to b this means that; Dinosaurs are a paraphyletic group Dinosaurs are a polyphyletic group Dinosaurs are a monophyletic group

large reptiles that share an ancestor and lived millions of years ago. Dinosaurs are group however that does not include modern birds. Since dinosaurs gave rise to b this means that; Dinosaurs are a paraphyletic group Dinosaurs are a polyphyletic group Dinosaurs are a monophyletic group

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter23: Principles Of Evolution

Section: Chapter Questions

Problem 6SQ

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Concept explainers

Primate evolution

Primates are a relatively new species and first appeared in the fossil record nearly 55 million years ago. They may have originated as far back as the cretaceous period. Their fossils were observed in North America, Asia, and Europe. Long before the first monkeys and their prosimian relatives developed, most animal species thrived and died. The first primates did not exist until about 50-55 million years ago, even though the planet is 4.54 billion years old and the first life goes back at least 3.5 billion years. Dinosaurs had been extinct for 10 to 15 million years when this happened.

Question

When we refer to the dinosaurs in common language we are referring to a group of
large reptiles that share an ancestor and lived millions of years ago. Dinosaurs are a
group however that does not include modern birds. Since dinosaurs gave rise to birds
this means that;
Dinosaurs are a paraphyletic group
Dinosaurs are a polyphyletic group
Dinosaurs are a monophyletic group
Any similarities between dinosaurs and birds is the result of random mutation

Expert Solution

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Birds are technically considered as reptiles for the similarities between both the groups.

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