Question

Some birds like ostrich, penguin and kiwi cannot fly, yet come under Aves Phylum. Giver reason​

Answer 1

Answer:

Birds such as ostriches, emus, and kiwis cannot fly as their flat breastbones lack the keel that anchors the strong pectoral muscles required for flight. These birds are called flightless birds which have lost the ability to fly in the course of evolution.