Kritika studied a group of living organisms having common features described as follows:
Streamlined body
Hollow and light bones
Strong breast muscles
To which group do these living organisms belong?

Options

A. Fish
B. Insects
C. Birds
D. Amphibians

Answer

C

Explanation

Birds have streamlined bodies that reduces resistance of air and enables the bird to fly easily in the air. Their bones are hollow and light to make their body light weight for flying. Strong breast muscles are used to move the wings up and down.