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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Which has a higher metabolic rate?

  1. a. an endotherm
  2. b. an ectotherm

Summary Introduction

Introduction: Most birds and mammals are endotherms, which maintain their body temperature within a narrower range and have a higher metabolic rate. Metabolic heat produced allows endotherms to be active in a wider range of temperatures than ectotherms. Ectotherms are animals whose body temperature varies with that of its environment; it adjusts its internal temperature by altering its behaviour.

Explanation

Reasons for the correct statement:

Endotherms have a higher metabolic rate that allows it to be active in a wider range of temperatures.

Hence, option a. is correct.

Reasons for the incorrect statement:

Option b...

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