Mass Extinctions and Their Impact

Front

What caused the extinction of the dinosaurs?

Back

Many scientists believe that an asteroid impact caused the extinction of the dinosaurs.

Front

What is an ammonite?

Back

An ammonite is a type of fossilized marine mollusk that lived during the Mesozoic era.

Front

What is known as 'The Great Dying'?

Back

The Permian extinction is known as 'The Great Dying' because it was the most severe extinction event in Earth's history.

Front

How many mass extinctions have occurred on Earth?

Back

There have been five major mass extinctions in Earth's history.

Front

What type of life was most affected during the late Devonian extinction?

Back

Life in the shallow seas was most affected during the late Devonian extinction.

Front

What is a mass extinction?

Back

A mass extinction is a widespread and rapid decrease in the biodiversity on Earth.

Front

What are the main causes of mass extinctions?

Back

Main causes include asteroid impacts, volcanic eruptions, climate change, and changes in sea levels.

Front

What is the significance of fossils in studying mass extinctions?

Back

Fossils provide evidence of past life and help scientists understand the organisms that existed before and after mass extinctions.

Front

What is the difference between background extinction and mass extinction?

Back

Background extinction is a normal rate of extinction, while mass extinction is a significant increase in extinction rates over a short period.

Front

Which extinction event is associated with the dinosaurs?

Back

The Cretaceous-Paleogene extinction event is associated with the extinction of the dinosaurs.