Birds make up the category aves of the subphylum vertebrata, phylum chordata. The three highest courses of vertebrates—reptiles, birds, and mammals—have tailored their replica to terrestrial life, largely via the evolution of an egg whose embryo is enveloped in a protecting membrane referred to as the amnion.
Additionally, what’s a aves in biology? aves is a category within the subphylum vertebrata of the phylum chordata and include bipedal, feathered and heat blooded animals.
Aves – all about birds like mammals, birds are warm-blooded, or endothermic. They can reside in heat and chilly climates.
Most birds fly, however there are some species, just like the penguins, that swim. Birds have payments and no enamel, and so they lay eggs.