The human species seems to be within a thousand years of reaching across to the nearest stars.

More recently, species of other classes seems to be affected.

Many endangered species seem not to do very well once they become rare, he said.

The species does not seem to have any appropriate indigenous enemies against which to use it.

The two species seemed to be on excellent terms with each other.

These species seem to be in a transitional state of evolution.

In prehistoric times the species seems to have been more widespread.

Because no other species seems to move to a beat, then the ability to do so may be more complex than it appears.

The species does not seem to be common, and no females appear to have been encountered yet.

If there are limits to obesity, our species seems not to know about them.