Question

characteristic of birds and their eggs

Answer 1

Answer:

All bird eggs are amniotic, which means they include a hard shell, a porous membrane for the exchange of oxygen and carbon dioxide, and a rich yolk that nourishes the developing chick. The yolk is made of fat and protein, and the yolk color varies depending on the quality and composition of the laying female's diet..

Explanation:

Answer 2

Answer:

Birds are a group of warm-blooded vertebrates constituting the class Aves /ˈeɪviːz/, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

All bird eggs are amniotic, which means they include a hard shell, a porous membrane for the exchange of oxygen and carbon dioxide, and a rich yolk that nourishes the developing chick. The yolk is made of fat and protein, and the yolk color varies depending on the quality and composition of the laying female's diet.

Explanation:

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