Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Question
Chapter 47, Problem 1SYK
Summary Introduction
To create: The flowchart that shows the sequence of key events in the fertilization of a sea urchin’s egg and to indicate the functions of each of the events.
Introduction: Fertilization is the process of formation of the diploid zygote from the haploid sperm and egg. At the surface of the egg there are molecules that regulate the process of fertilization.
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Describe the gastrulation by using embryos of the sea star as an example.And describe the way in which the mass of inert yolk influences the gastrulation in bird and frog embryos.
Describe the step-by-step fertilization process in an amphibian. Include in the discussion the structures involved in the process.
Compare and contrast the mechanisms of egg activation in internal versus external fertilization.
Chapter 47 Solutions
Biology - Study Guide
Ch. 47 - a. What assures that only a sperm of the correct...Ch. 47 - Prob. 2IQCh. 47 - Prob. 3IQCh. 47 - Prob. 4IQCh. 47 - Label the indicated structures in the following...Ch. 47 - Prob. 6IQCh. 47 - Prob. 7IQCh. 47 - Prob. 1SYKCh. 47 - Fill in the following table, briefly describing...Ch. 47 - Prob. 1TYK
Ch. 47 - Prob. 2TYKCh. 47 - The blastocoel a. develops into the archenteron or...Ch. 47 - In a frog embryo, gastrulation a. is slowed by the...Ch. 47 - Prob. 5TYKCh. 47 - Prob. 6TYKCh. 47 - Prob. 7TYKCh. 47 - Prob. 8TYKCh. 47 - To which portion of the developing embryo do cells...Ch. 47 - Prob. 10TYKCh. 47 - Prob. 11TYKCh. 47 - Prob. 12TYKCh. 47 - Use the following diagram of a chick embryo for...Ch. 47 - During gastrulation in the frog embryo, a new...Ch. 47 - Gastrulation and organogenesis in mammals most...Ch. 47 - Prob. 16TYKCh. 47 - Prob. 17TYKCh. 47 - Prob. 18TYKCh. 47 - Prob. 19TYKCh. 47 - Prob. 20TYK
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- Identify the significance of gastrulation in the developmental process and compare gastrulation in the echinoderm (or in amphioxus), the amphibian, and the bird.arrow_forwardMatch each developmental stage with its description.arrow_forwardDefine and describe the main features of the following developmental stages: fertilization, cleavage, gastrulation.arrow_forward
- Write in detail the process of organogenesis in vertebrates. Give one example and make diagram also.arrow_forwardUsing sea star embryos as an example, describe gastrulation. Explain how the mass of inert yolk affects gastrulation in frog and bird embryosarrow_forwardDescribe the step-by-step fertilization process in an amphibian. (Please include the structures involved in the process.)arrow_forward
- Enumerate the types of morphogenetic movements employed by vertebrate embryos in gastrulation. Give examples for each type. Type Drawing Example of structure/organism Invagination Involutionarrow_forwardconsider a pig that has only fully formed ovary. how would this affect the pig's future reproduction?arrow_forwardDescribe external fertilization process of sea urchin egg with diagramarrow_forward
- Number these steps in vertebrate embryogenesis in order. ______ formation of archenteron ______ formation of blastula ______ neurulation ______ gastrulation ______ cleavage ______ zygotearrow_forwardExplain fertilization of sea urchin from Recognition of egg and sperm, Gamete fusion and prevention of polyspermy and Activation of egg metabolism.arrow_forwardCompare the structures of the egg and sperm. What structural modifications do sperm have that facilitate movement, energy use, and gaining access to the egg?arrow_forward
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