Prehistoric Oceans Quiz

What percentage of our planet is covered by oceans?

• 50%

• 70%

• 90%

• 30%

Which part of the ocean is the deepest?

• Atlantic

• Indian

• Pacific

• Arctic

How deep can the abysses in the ocean reach?

• 36,000 feet

• 650 feet

• 200 meters

• 11,000 meters

How many square kilometers do the oceans cover?

• 1.386 billion

• 320 million

• 2 billion

• 500 million

What percentage of water in the oceans comes from glaciers and eternal snows?

• 2%

• 10%

• 1%

• 5%

What is the role of water in plate tectonics?

• It forms clouds

• It creates ocean ridges

• It leads to continental drift

• It causes volcanic eruptions

During which era did the Cambrian period occur?

• Jurassic

• Cretaceous

• Paleozoic

• Mesozoic

What major development occurred during the Cambrian period?

• Birth of multicellular organisms

• Extinction of dinosaurs

• Formation of Pangea

• Evolution of mammals

Where was the Burgess sea trough discovered?

• Yoho National Park

• Rocky Mountains

• Canada

• Mount Stephen

What is the age of the fossils found in the Burgess sea trough?

• 100 million years

• 200 million years

• 300 million years

• 525 million years