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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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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Asexual reproduction has all of the following advantages over sexual reproduction EXCEPT Question 1 options: No "cost of males" Can found a new population from a single individual There are no advantages to asexual reproduction Produces more offspring per reproductive event In unchanging environments, offspring are exactly as adapted as their parents to their habitat

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.

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.