Question

Which one of the following is the best example of Retrogressive Evolution-

• A. Flightless birds have evolved from flying birds
• B. Flying birds have evolved from flightless birds
• C. Fishes are evolved from Amphibians
• D. Amphibians are evolved from fishes

Answer 1

The correct option is A Flightless birds have evolved from flying birds

The phenomenon Retrogressive evolution means the formation of simple organs from complex. Flightless birds have evolved from flying birds as they lost the ability to fly.