Moving Continents

It's an ancient fern. Fossilized remains have been found on 5 different continents.

It's an ancient reptile. Fossilized remains have been found on several different continents.

Alfred Wegener.

They are the less dense areas of the crust that mostly lie above sea level.

It is the hypothesis that the Earth's continents have moved relative to each other throughout geologic time, thus appearing to have 'drifted'.

The outermost layer of the Earth, which is solid and relatively thin compared to the layers beneath it.

Large sections of the Earth's crust that move and interact with each other.

Convection currents in the mantle beneath the Earth's crust.

A supercontinent that existed during the late Paleozoic and early Mesozoic eras, where all continents were joined together.

Fossil evidence, geological similarities, and the fit of continental coastlines.