Mass Extinctions and Their Causes

Mass Extinctions and Their Causes

Assessment

Interactive Video

Biology, Science, History

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the history of life on Earth, focusing on evolution and mass extinction events. It discusses the causes of these extinctions, such as volcanic eruptions and meteorite impacts, and highlights significant events like the Permian and Cretaceous extinctions. The recovery of life, including coral reefs and terrestrial ecosystems, is examined. The impact of humans on recent extinctions, such as the woolly mammoth and golden toad, is also discussed.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the understanding of mass extinctions during Charles Darwin's time?

They were considered a myth.

They were well-documented and understood.

They were attributed to human activity.

There was little evidence of major extinction events.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor is most commonly associated with mass extinctions?

Meteorite impacts

Volcanic eruptions and gases

Human activity

Solar flares

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What marked the end of the Cretaceous period?

The rise of mammals

The formation of the Himalayas

A meteorite impact and volcanic activity

A major volcanic eruption

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which extinction event saw the loss of up to 96% of marine species?

End-Triassic

End-Cretaceous

End-Permian

End-Ordovician

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did coral reefs recover after the end-Permian extinction?

They never recovered.

New skeleton-forming corals evolved slowly.

They were replaced by algae.

They were artificially restored by humans.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What evidence shows the recovery of vegetation after the end-Cretaceous extinction?

The spread of grasslands

The growth of new forests

The presence of fern spores

The reappearance of dinosaurs

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was initially thought to be the cause of the extinction of large land animals after the last glacial maximum?

Volcanic eruptions

Meteorite impacts

Changing climate

Human hunting

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