ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Chapter 10, Problem 8TYU
Summary Introduction

To determine:

The evolutionary significance of the switch from asexual to sexual reproduction that occurs in someorganisms when the environment becomes unfavourable.

Introduction:

Reproduction is the process of producing the young ones from the existing one; it enables a species to survive within an environment. There are mainly two modes through which an organism can reproduce; sexual and asexual mode.

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Some organisms are capable of asexual or sexual reproduction. Under favorable conditions, reproduction proceeds asexually. When conditions become more stressful reproduction switches to a sexual mode. Why?   Question options:   Sexual reproduction is simple and more rapid allowing larger numbers of offspring to be produced.   Sexual reproduction requires two separate individuals, who can mutually provide nutrient support during stress.   Sexual reproduction produces individuals with new combinations of recombined chromosomes increasing diversity.   Asexual reproduction requires more energy.
What is NOT true about these statements on sexual reproduction? * 1 point       Sexual reproduction is uniparental.       Key processes in sexual reproduction are meiosis and fertilization.       This process involves the production of sex cells or gametes.       The union of two gametes resulting into a zygote is called fertilization.
For each of the following, choose whether it is true of sexual reproduction or asexual reproduction. Each female produces more daughters. Each female produces more genetically variable offspring. Most common eukaryotic reproductive strategy. advantageous when the environment is stable [Choose ] [Choose ] [Choose ] [Choose ]
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