Question

Aerial birds have bones to keep them light and a bone to help them change direction during flight.

• A. hollow
• B. tail
• C. solid
• D. flippers

Answer 1

Answer: (A), (B)

The correct options are
A hollow
B tail

Aerial birds have many adaptations that help in flight. They have wings with feathers and hollow bones to keep them light. Their tail bone along with tail feathers help them change direction during flight. They also have a streamlined body.