Biology Illinois Edition (Glencoe Science)
Biology Illinois Edition (Glencoe Science)
7th Edition
ISBN: 9780078759864
Author: Alton Biggs
Publisher: MCG
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Chapter 24, Problem 20A
Summary Introduction

Introduction:

Frog can be divided into the dorsal or top side, and the ventral, or bottom side. Many frogs have patterned pores and skin on their dorsal side and a white or yellow ventral side to camouflage them of their aquatic habitat. Ventral side is lighter and under belly. Dorsal side is the top side and darker.

Expert Solution & Answer
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Answer to Problem 20A

Correct answer :

The correct answer is option B. ventral surface.

Explanation of Solution

Explanation/justification for the correct answer :

Option (B) ventral surface. The Ventral surface is a lighter and green in color. It facilitates them camouflage itself from predators. The backside of the frog is a lighter color then the top. This is due to the fact that, if the frog is floating on top of the water, and prey or a predator looks up and the frog, the suns glare makes the frog harder to see. So, the appropriate answer is option(B).

Explanation for incorrect answer :

Option (A) dorsal surface. The dorsal side is darker which permits the frog to blend into its surroundingsif a predator is looking down at the animal. So, this is a wrong answer.

Option (C) anterior surface. The anterior side consists of head a part of the frog additionally containing the sensory organs the frog wishes tonavigate its environment. Its eyes are located at the top of its head. So, this is a wrong answer.

Option (D)posterior surface. The posterior side consists of tail a part of the frog. So, this is a wronganswer.

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