WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 8, Problem 2MC
Summary Introduction

Introduction:

Georges Cuvier was began exploring the coal and slate mines and found fossils of organisms that did not match any of the contemporary living organisms. These include fossils of Irish elk, mastodon, and giant ground sloth.

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The presence of homologous structures in two different groups of organisms suggests that (a) the organisms evolved from a common ancestor (b) convergent evolution has occurred (c) they belong to a polyphyletic group (d) homoplasy has occurred (e) independently acquired characters may evolve when organisms inhabit similar environments
Which of the following statements about convergent evolution is true? (a) It demonstrates how similar environments can lead to different physical structures. (b) It demonstrates how similar environments can lead to the same physical structures. (c) It demonstrates that similarity of structures is due to descent from a common ancestor. (d) It demonstrates that similarity of structures is due to random chance.
In what way does the modern synthesis strengthen scientific understanding of evolution? (a) is based on the sequence of fossils in rock layers (b) uses genetics to explain the source of hereditary variation that is essentialto natural selection (c) was first proposed by ancient Greek scholars (d) considers the influence of the geographic distribution of organisms on their evolution (e) is reinforced by homologies that are explained by common descent
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FOSSIL FRIDAY: Primate Evolution | Grades 7-10; Author: Museum of the Rockies;https://www.youtube.com/watch?v=9tVLfvm3AFk;License: Standard YouTube License, CC-BY