Adaptations in birds that enabled the reduction of their body weight in order to fly. Introduction: Birds are warm-blooded vertebrate animals. They are placed in the Phylum Chordata because they have a backbone. They have feathers, wings, and bills. They have high metabolism . They have a well-developed communication and navigational skills. Their chest muscles are highly developed. These chest muscles are responsible for the flapping of the whole wings. They have developed an efficient respiratory system.

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Chapter 27.4, Problem 3CC

Summary Introduction

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Adaptations in birds that enabled the reduction of their body weight in order to fly.

Introduction:

Birds are warm-blooded vertebrate animals. They are placed in the Phylum Chordata because they have a backbone. They have feathers, wings, and bills. They have high metabolism. They have a well-developed communication and navigational skills. Their chest muscles are highly developed. These chest muscles are responsible for the flapping of the whole wings. They have developed an efficient respiratory system.

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