There are three blades of grass and two tree trunks in the park.

He wrote a novel based on the book.

He drank three glasses of beer.

Today is a sunny day.

He likes to read books.

I can't see an end to the argument with him.

He is supporting that theory.

We gathered to discuss that issue.

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.