Biology
Biology
10th Edition
ISBN: 9780321794260
Author: Audesirk, Teresa/ Audesirk
Publisher: Pearson College Div
Question
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Chapter 42.3, Problem 1CYL
Summary Introduction

To describe:

The early development in amphibians that includes the processes of blastula formation, cleavage, and organogenesis.

Introduction:

Mostly, the developmental mechanisms of development are similar in all the animals. The amphibians include salamanders, newts, and frogs. They are chosen for studies as they can breed any time in a year.

Summary Introduction

To name:

The extraembryonic membranes and their functions in mammals and reptiles.

Introduction:

The mammals and reptiles development depends on the extraembryonic membranes. In water, the fish reproduces and lives. There are various amphibians which spend their lives on land and lay their eggs in the water. In this way, the embryos do not get dehydrated.

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