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.

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.