O.K., SO IT'S NOT A SHARK, BUT CAN A SHARK DO THIS?

Dr. Prasanta Chakravarthi introduces lung fishes, highlighting their unique ability to breathe air and undergo estivation, a hibernation-like state. These ancient creatures have existed for nearly 400 million years and share evolutionary traits with humans, such as fin structures similar to human hands.

What makes lung fishes unique compared to other fish?

• They live in saltwater only.

• They have gills only.

• They can fly.

• They have lungs and can breathe air.

What is the term used to describe the lung fishes' ability to survive in mud for extended periods?

• Hibernation

• Photosynthesis

• Migration

• Estivation

How long can lung fishes remain in a cocoon during estivation?

• Up to 4 years

• Up to 3 years

• Up to 1 year

• Up to 2 years

Approximately how long have lung fishes existed on Earth?

• 200 million years

• 100 million years

• 300 million years

• 400 million years

What anatomical feature of lung fishes is similar to humans?

• Their fins

• Their scales

• Their eyes

• Their tails