write four important features of a bird
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Answer:
Defining characteristics of modern birds also include:
Feathers.
High metabolism.
A four-chambered heart.
A beak with no teeth.
A lightweight but strong skeleton.
Production of hard-shelled eggs.
Explanation:
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Answered by
1
Explanation:
i) Feathers.
ii) Wings.
iii) lightweight, rigid skeleton.
iv) unique respiratory system.
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