Explanation Explanation for the correct answer: Option (c), the frog will gain water across its skin. Frogs are known as skin-breathers. That is that their respiratory organ is skin, as it is permeable to oxygen, carbon dioxide, salts and water. So when the frog is submerged in freshwater pond, the frog absorbs water by osmosis and loses salt concentration from its body by diffusion through its skin, which results in the gain of water. Therefore, this is the correct answer. Explanation for incorrect answer: Option (a), the frog will lose body water to the pond. Frogs have a skin which is permeable to many components of nature, like gases such as oxygen, carbon dioxide, salts and water. However, the permeability is dependent upon the surrounding environment. A frog loses its body fluids like water only when submerged in sea or marine water as seawater is much more concentrated than their body fluids. Therefore, this is an incorrect answer...

2nd Edition

ISBN: 9781259875120

Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.

Publisher: McGraw-Hill Education

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Question

Chapter 32, Problem 10TY

Summary Introduction

Introduction:

Frogs belong to the Class Amphibia, Phylum Chordata, Kingdom Animalia. They are short-bodied, carnivorous animals. Frogs are widely spread in the tropics to the subarctic regions, but mostly are found in the tropical rainforests. Frogs have a stout body, protruding eyes, glandular skin, and anteriorly attached tongue.

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Chapter 32, Problem 9TY

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Solution Summary: The author explains that frogs belong to the class Amphibia, Phylum Chordata, Kingdom Animalia. They have a stout body, protruding eyes, glandular skin,

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