What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 20, Problem 6SA
Summary Introduction
To review:
The evolutionary pros and cons of self-fertilization.
Introduction:
Flowers commonly possess both male and female reproductive parts.
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Outline the process of double fertilization, and explain the advantage it confers
Represent diagramatically different stages of fertilization.
Define self-fertilization?
Chapter 20 Solutions
What Is Life? A Guide to Biology with Physiology
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- Explain step by step in your own words what are the events that follow fertilization?arrow_forwardList and explain the steps involved in fertilizationarrow_forwardWhat are the advantages and disadvantages of internal fertilization over external fertilization? How about the advantages and disadvantages of external fertilization over internal fertilization? Enumerate.arrow_forward
- All of the following are requirements for successful external fertilization except for one. Which one is not a requirement? A moist environment. Large, energy-rich gametes. Synchronization of gamete release. Lock and key recognition between gametes of the same species.arrow_forwardDescribe the processes and result of double fertilization.arrow_forward"What is the advantage of internal fertilization over external fertilization and vice versa"?arrow_forward
- What is NOT a disadvantage of internal fertilization? the ability to reproduce on land without needing external water the need for more specialized reproductive structures the production of fewer embryos the reduction in the randomness of fertilization (less genetic variability in offspring)arrow_forwardWhat is fertilisation? Give examplesarrow_forwardDescribe, in detail, fertilization.arrow_forward
- Outline the enzymes that play important role in fertilization. Include their functions.arrow_forwardWhich of the following is not an important component of the slow block to polyspermy Group of answer choices A. depolarization of the cell B. a physical space between the cell membrane and the fertilization envelope C. hardening of the vitelline layer and jelly coat to form the fertilization envelopearrow_forwardExplain how fertilization provides genetic diversity to the offspringarrow_forward
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