He always keeps a smile on his face.

His trend of thought is always evolving.

Living organisms have evolved over millions of years.

Living organisms evolve over time.

He is my best friend.

He is my best friend.

His goal was truly a miracle play.

He is reading a book about the theory of evolution.

Kangaroos and wallabies are an example of parallel evolution.

Convergent evolution refers to the phenomenon where different organisms develop similar features to adapt to the same environment.