Ocean life may have bounced back after the ‘Great Dying’

What is the 'Great Dying'?

• A period when dinosaurs first appeared

• The Earth's deadliest mass extinction

• A time when the oceans were frozen

• The discovery of the first fossil

Where was the Guiyang biota discovered?

• South China

• North America

• South Africa

• Australia

What type of creature was found well-preserved in the Guiyang biota?

• A dinosaur

• A giant squid

• A woolly mammoth

• A primitive lobster

How long did it take for marine life to recover after the Great Dying?

• 100,000 years

• 1 million years

• 5 million years

• 10 million years

What caused the Great Dying?

• Massive volcanic eruptions

• A giant asteroid impact

• A large earthquake

• A solar storm

What percentage of marine species went extinct during the Great Dying?

• 30%

• 50%

• 70%

• 96%

What was the temperature of the sea surface during the early Triassic?

• 45⁰ Celsius

• 25⁰ Celsius

• 35⁰ Celsius

• 15⁰ Celsius

What did the Guiyang biota fossils suggest about marine life?

• It rebounded quickly

• It was completely extinct

• It was only in the Arctic

• It never existed

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What is a conodont?

• A type of tree

• A large bird

• An eel-like creature

• A type of dinosaur

What did the volcanic ash beds help determine about the Guiyang biota?

• Its color

• Its location

• Its age

• Its size