JAMB - Biology (1990 - No. 12)
A feature which adapts birds to flight is the possession of
scaly legs
light bones
two walking legs
a pointed beak
توضیح
Birds have several adaptations that contribute to their ability to fly, including a lightweight body with hollow bones, specialized feathers for lift and control, a streamlined body shape, a high metabolism, powerful muscles, an efficient respiratory system, a keel for structural support