Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 30, Problem 2COQ
Summary Introduction

To determine: The effect of divergent evolution of closely related species on their microbiomes.

Introduction: Microbiome is the genome of all the microorganisms that live in the vertebrates. The microorganisms may be symbiotic or pathogenic in nature and may belong to archaea, bacteria, protista, or fungi. Microbiome plays an important role in the homeostasis of the host. It has been reported to change, depending on the host’s diet and environment.

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Humans in the 21st century use their thumbs extensively to operate touchscreens on cellphones. Imagine a scenario, where the human population evolves to have more dexterous thumbs over the next 300 years. Which of the following is a Lamarckian explanation for this evolutionary change (and, therefore, would an incorrect evolutionary mechanism?)     humans that develop more dexterity in their thumb over their lifetime due to frequent use of cellphones pass that ability to their children     humans that were born with a mutation for more dexterous thumbs have more children     thumb dexterity is a dominant trait
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