WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 10, Problem 6MC
Summary Introduction

Introduction:

There is a constant need for evolution to keep up with the continuous changes in the environment.

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Which of the following most accurately describes mutations?   a. They typically have immediate and impactful evolutionary effects on populations.   b. They are required for all populations to evolve.   c. They are always deleterious.   d. They occur so infrequently that most populations to harbor very little variation.
A. Genetic drift refers to a. change in the way the body functions as a result of stressors. b. changes in the DNA sequence, particularly in sex cells. c. random changes or accidents that reduce genetic variation in a population. B. All human cultures a. can be correlated with "races" in the past. b. are unchanging and eternal. c. can be ranked as "primitive" or "advanced". d. are integrated and complex. d. exchange of genes when outsiders migrate into an area.
Natural selection occurs when which of the following conditions are met? Group of answer choices a.Variations between individual organisms lead to differential survival chances. b.The conditions in an ecosystem support a wide range of living organisms c.Individual organisms depend on each other to obtain available resources. d. Habitat and nutrient resources in an area are plentiful over a long period of time.
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