As the climate and vegetation changed, so did the inhabitants.

In fact, it could be centuries, for even the local vegetation had changed radically.

The vegetation changed, too, from one type of landscape to another.

In part, the vegetation had changed its aspect.

When the climate changed at the end of the last glacial period, the vegetation in the animal's habitat also changed.

Moving up, the vegetation slowly changes into towering Ponderosa pines.

The vegetation changed as they passed under a rain forest canopy.

These studies indicate the vegetation of the island may be changing rapidly.

In the mountains, the vegetation gradually changes with altitude, sun exposure, and location on the mountain.

By separating the samples of the core, we can get a record of how the vegetation around that site has changed.