(1) Evidence of Plate Tectonics Flashcards
Scientists proposed that about 300 million years ago, the ontinents were joined together into one single landmass or supercontinent called _____.
Pangaea
Over tens of million years, _____ began to break apart, moving the continents into their current locations.
Pangaea
Scientists have found _____ of the same species on different continents (separated by oceans). This implies that these landmasses were once closer together to allow species to travel between continents.
Fossils
One example of _____ is the freshwater reptile, Mesosaurus, with fossils found in both South America and Africa.
Fossils
_____ of tropical plants have been found on islands in the Arctic Ocean, indicating that the _____ was warmer that time.
Fossils, Climate
Deep scratches in rocks that could only be caused by glaciers have been found in South Africa. Today’s _____ in South Africa is way too mild for glaciers.
Climate
Some rocks have a _____ North and a _____ South which is established when the rock is formed.
Magnetic