This had become the established viewpoint - when modern humans appeared, evolution was essentially over.
For example, few scholars question that earliest humans appeared on the African continent.
When humans first appeared, we thought nothing of it.
The humans appeared to be the key to the problem.
The first modern humans appeared in the area 40,000 years ago.
They are usually invisible to humans, and humans do not appear clearly to them.
Generally, humans never appear in the series except as an alien presence represented by a boot or a voice.
The humans appear to have gone to a great deal of trouble to see that we do not gain access to this device.
The humans appear to have tricked us; they are attempting to break to the west.
By the time the first humans appeared, the continents were already pretty much in their present-day positions.