What idea did Alfred Wegener discover?

continental drift theory
Wegener’s continental drift theory introduced the idea of moving continents to geoscience. He proposed that Earth must have once been a single supercontinent before breaking up to form several different continents.

How did Alfred Wegener discover the continental drift theory?

Fossils of similar organisms across widely disparate continents encouraged the revolutionary theory of continental drift. … In the early 20th century, Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes plowing through oceans and into each other.

What fossil did Alfred Wegener discover?

The Glossopteris fossil is found in Australia, Antarctica, India, South Africa, and South America—all the southern continents. Now, the Glossopteris seed is known to be large and bulky and therefore could not have drifted or flown across the oceans to a separate continent.