Question -
The bones of the birds are ___________ and ___________.
Options:
A .  hollow and light
B .  heavy and hollow
C .  heavy and solid
D .  hollow and weak
Answer: Option A : A The bones of the birds are hollow and light. This makes their body light in weight which helps them to fly in the air. The bones in their hindlimbs are designed for walking and perching. The bony part of their forelimbs are modified for flying.
Submit Your Solution hear: