NEET BIOLOGY

Detailed explanation-1: -Although all birds have feathers and all birds have wings, some birds do not fly. For example, penguins and ostriches use their wings to move in a different way from other birds.

Detailed explanation-2: -All birds have wings, however not all birds can fly. Ostriches and penguins are two good examples. An ostrich’s wings are too small to be of any use and are barely noticeable on the bird’s body. They live on the African savannah and have long legs and necks in order to see long distances and run very fast!

Detailed explanation-3: -Birds are warm-blooded vertebrate animals that have wings, feathers, a beak, no teeth a skeleton in which many bones are fused together or are absent, and an extremely efficient, , one-way breathing system.

Detailed explanation-4: -All birds have the following key features: they are endothermic (warm-blooded), have two legs, and lay eggs.

Detailed explanation-5: -Bird wings are a paired forelimb in birds. The wings give the birds the ability to fly, creating lift.