It would seem that they correspond in some measure to humanity, being the dominant life-form of this little world.

They are intelligent beings, the dominant life-forms of their planet, people, and don't you forget it.

There are twenty-seven billion dominant life-forms on the planet of hundreds of different species.

They had flourished as the dominant life-form on the planet in the Jurassic, 190 million years ago.

Dwellers' was what the dominant native life-forms of Hydros called themselves.

Trilobites, once a dominant life-form in the ocean, became extinct, together with 90% of all marine species.

Considering the fact that it is a planet's dominant life-form that develops intelligence, I don't see how these creatures came to dominate.

Now, what sort of dominant, sentient life-form would evolve in that hot, brilliant, steamy world?

Once they were the dominant life-form of the Earth, the crown of creation.

The other half displayed an equally detailed representation of the world's dominant intelligent life-form.