How are birds adapted ?​

Birds are adapted by changing their beaks.

Flight is birds' most important adaptation. It takes them into an environment that most other animals can't reach the air.

Their lives depend upon this special skill. It allows them to catch food, avoid enemies, find each other and travel huge distances in super-quick time.

what are the options

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.