Chapter 30, Problem 8A

Summary Introduction

Introduction:

The mammals are the organism that carry the babies in their wombs and give birth to the young ones. The teeth are the hard-calcified structure present in the oral cavity, which help in the mechanical breakdown of the food. Based on the food habit, the animals have different sets of teeth.

Answer to Problem 8A

Correct answer:

Option (A).

Explanation of Solution

Explanation/justification for the correct answer:

Option (A) they could eat variety of food. The teeth are arranged according to the eating pattern of the animals. Having different types of teeth would increase the varieties of the food an organism can eat. Hence, the correct answer is option (A).

Explanation for incorrect answer:

Option (B) they could hunt effectively. The arrangement of teeth does not highly impact the hunting behavior, but the structure of jaw and skull may play a major role. Hence, it is an incorrect answer.

Option (C) they could digest food more easily. The digestion of food is dependent on the internal anatomy and presence of different types of enzyme in the digestive tract. Hence, it is an incorrect answer.

Option (D) their digestive system was modified. The arrangement of teeth is not a representative of the modified digestive tract. Hence, it is an incorrect answer.