Ch. 7.1 Review

Almost 100 years ago, Alfred Wegener noticed similarities in shapes of the continents' ____.

He suggested that long ago Earth's ____ were part of one supercontinent he called ____.

Wegener proposed that Earth's continents are in constant motion on the surface of the Earth. He termed this motion ____.

A study of ____ indicated that similar plants and animals once lived on continents separated by oceans.

Wegener also looked at ____ evidence.

He discovered grooves made by ice sheets on continents that today are located in ____ climates.

According to Wegener, these continents were once located near the ____ and were covered by a large ____.

Wegener also discovered clues in ____ when he observed that mountain ranges on different continentns have similar ages and ____ structures.

To Wegener, Earth's continents fit together just like a ____