Biology
Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
Question
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Chapter 34, Problem 1NS.1QC
Summary Introduction

To describe:

The different types of strategies that animals evolved to efficiently obtain nutrients.

Introduction:

Ruminants are animals which ferment and degrade the food inside the stomach due to the action of various organisms like bacteria producing methane gas. It occurs in the herbivorous animals like cows and buffaloes.

Expert Solution & Answer
Check Mark

Explanation of Solution

The different strategies that animals have evolved to efficiently obtain nutrients include:

1. They have a large rumen for digesting the food and the ingested food gets absorbed in the region.

2. There are several species of microbes which ferment the cellulose present in the grasses leading to the production of gases like methane.

3. The regurgitated food is called as the cud as it is chewed back and then absorbed in the intestinal rumen of the cows and buffaloes.

4. The regions of the stomach are compartmentalized to effectively absorb the food in the stomach and intestine.

Conclusion

The different strategy for absorbing the food and obtain the nutrients include the different compartmentalization of the digestive system for digesting the food. There are various organisms present in the rumen which degrade and ferment these food products into methane gas.

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