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1. From where are micromeres derived? Why are they smaller than macromeres? 2. In the early stages of amphibian development, what layer is involved in yolk digestion? What is the basis for the distinction between germ layers in gastrulation? 3. In amphibian gastrulation, are there any evidences of cephalization? Why or why not?

1. From where are micromeres derived? Why are they smaller than macromeres? 2. In the early stages of amphibian development, what layer is involved in yolk digestion? What is the basis for the distinction between germ layers in gastrulation? 3. In amphibian gastrulation, are there any evidences of cephalization? Why or why not?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. From where are micromeres derived? Why are they smaller than macromeres? 2. In the early stages of amphibian development, what layer is involved in yolk digestion? What is the basis for the distinction between germ layers in gastrulation? 3. In amphibian gastrulation, are there any evidences of cephalization? Why or why not?
Transcribed Image Text:1. From where are micromeres derived? Why are they smaller than macromeres? 2. In the early stages of amphibian development, what layer is involved in yolk digestion? What is the basis for the distinction between germ layers in gastrulation? 3. In amphibian gastrulation, are there any evidences of cephalization? Why or why not?
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