Answer the following question given this paragraph: 

Almost all fungi have a single common ancestor. The earliest fungi may have evolved about 600 million years ago. Fungi colonized land at least 460 million years ago. By 250 million years ago, they may have been the dominant life forms on Earth.


Q: Evolving from a single common ancestor, what group of organisms was perhaps the dominant life form on earth 250 million years ago?

 Choices:

- acids

- atoms

- proteins

- fungi

A:
fungi
