CH 10: Mass extinctions

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What major event led to the loss of approximately 85% of marine species?

Triassic-Jurassic Extinction

Ordovician-Silurian Extinction (correct)

Permian-Triassic Extinction

Late Devonian Extinction

Which mass extinction event is known as the 'Great Dying'?

Triassic-Jurassic Extinction

Ordovician-Silurian Extinction

Late Devonian Extinction

Permian-Triassic Extinction (correct)

Which mass extinction allowed dinosaurs to dominate the Earth?

Ordovician-Silurian Extinction

Late Devonian Extinction

Permian-Triassic Extinction

Triassic-Jurassic Extinction (correct)

What percentage of marine species were eradicated in the Permian-Triassic Extinction?

96% Signup and view all the answers

Which environmental factor is suspected to have caused the Late Devonian Extinction?

Climate change Signup and view all the answers

What is a suspected cause of the Triassic-Jurassic Extinction event?

Massive volcanic eruptions Signup and view all the answers

Which mass extinction event spanned nearly 20 million years?

Late Devonian Extinction Signup and view all the answers

What is the most likely cause of the Cretaceous-Paleogene extinction?

A combination of volcanic activity and asteroid impact Signup and view all the answers

Which of the following is NOT a cause of mass extinctions?

Human activities Signup and view all the answers

Which event led to the lowering of sea levels and reduction of habitable areas?

Climate change Signup and view all the answers

What is the main driver of the ongoing sixth mass extinction?

Human activities Signup and view all the answers

Which of the following is a possible result of massive asteroid impacts?

Blocking of sunlight Signup and view all the answers

What is the most likely impact of volcanic activity on Earth's climate?

Cooling of the climate Signup and view all the answers

What is the main difference between the ongoing sixth mass extinction and previous mass extinctions?

The sixth extinction is driven by anthropogenic factors Signup and view all the answers

Which of the following is NOT a human activity that contributes to the sixth mass extinction?

Asteroid impacts Signup and view all the answers

What is a common feature of mass extinctions, such as the Cretaceous-Paleogene extinction?

Widespread volcanic eruptions Signup and view all the answers

What effect can massive asteroid impacts, like the one in Mexico, have on Earth's climate?

Reducing sunlight and disrupting climate Signup and view all the answers

How do ice ages contribute to mass extinctions?

By reducing sea levels and habitable areas Signup and view all the answers

Which factor is considered the primary driver of the ongoing sixth mass extinction?

Human activities like habitat destruction Signup and view all the answers

What is a significant difference between the Cretaceous-Paleogene extinction and the ongoing sixth mass extinction?

The cause, with one being due to volcanic activity and the other due to asteroid impacts Signup and view all the answers

How do shifts in climate contribute to mass extinctions?

By drastically altering biodiversity and living conditions Signup and view all the answers

Which phenomenon reshapes oceans and continents, impacting living conditions and contributing to extinctions?

Continental drift and plate tectonics Signup and view all the answers

Which mass extinction event led to the loss of approximately 85% of marine species and is believed to have been caused by climate change induced by glaciation and falling sea levels?

Ordovician-Silurian Extinction Signup and view all the answers

Which mass extinction event is known as the 'Great Dying' and is believed to have been caused by massive volcanic eruptions, climate change, and possibly methane release from oceanic shelves?

Permian-Triassic Extinction Signup and view all the answers

Which mass extinction event allowed dinosaurs to dominate the Earth and was possibly driven by climate change and volcanic activity that disrupted the carbon cycle?

Triassic-Jurassic Extinction Signup and view all the answers

Which mass extinction event is believed to have been caused by environmental factors and possibly changes in sea level or asteroid impacts, affecting 75% of species, primarily marine life?

Late Devonian Extinction Signup and view all the answers

Which mass extinction event saw the disappearance of 50% of species and was possibly driven by climate change and volcanic activity?

Triassic-Jurassic Extinction Signup and view all the answers

Which mass extinction event is known for being the Earth's most severe extinction, eradicating around 96% of marine species and 70% of terrestrial vertebrate species?

Permian-Triassic Extinction Signup and view all the answers

Which mass extinction event spanned nearly 20 million years and affected 75% of species, primarily marine life?

Late Devonian Extinction Signup and view all the answers

What is the primary reason for the ongoing sixth mass extinction?

Habitat destruction Signup and view all the answers

How do ice ages typically contribute to mass extinctions?

By causing global cooling and a decrease in habitable areas Signup and view all the answers

Which phenomenon can significantly alter the Earth's climate by producing ash and gases?

Volcanic activity Signup and view all the answers

What distinguishes the ongoing sixth mass extinction from past mass extinctions?

Driven by human activities Signup and view all the answers

Which event is believed to have caused the Late Devonian Extinction?

Climate change Signup and view all the answers

How do shifts in climate affect biodiversity?

By causing drastic effects on biodiversity Signup and view all the answers

What is the suspected cause of the Triassic-Jurassic Extinction event?

Volcanic activity Signup and view all the answers

What environmental factor is linked to the loss of approximately 85% of marine species during a specific mass extinction event?

Climate change Signup and view all the answers

Which mass extinction event was primarily caused by a combination of glaciation, climate change, and falling sea levels?

Ordovician-Silurian Extinction Signup and view all the answers

Which mass extinction event is believed to have been caused by massive volcanic eruptions, climate change, and possibly methane release from oceanic shelves, leading to a 96% loss of marine species and 70% of terrestrial vertebrate species?

Permian-Triassic Extinction Signup and view all the answers

Which mass extinction event affected 75% of species, primarily marine life, and was spanned nearly 20 million years?

Late Devonian Extinction Signup and view all the answers

Which mass extinction event was possibly driven by climate change and volcanic activity that disrupted the carbon cycle, leading to the disappearance of 50% of species?

Triassic-Jurassic Extinction Signup and view all the answers

Which mass extinction event is believed to have been caused by environmental factors and possibly changes in sea level or asteroid impacts?

Late Devonian Extinction Signup and view all the answers

Which mass extinction event led to the loss of approximately 85% of marine species and is believed to have been caused by climate change induced by glaciation and falling sea levels?

Ordovician-Silurian Extinction Signup and view all the answers

Which mass extinction event spanned nearly 20 million years and affected 75% of species, primarily marine life?

Late Devonian Extinction Signup and view all the answers

CH 10: Mass extinctions

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Questions and Answers

What major event led to the loss of approximately 85% of marine species?

Which mass extinction event is known as the 'Great Dying'?

Which mass extinction allowed dinosaurs to dominate the Earth?

What percentage of marine species were eradicated in the Permian-Triassic Extinction?

Which environmental factor is suspected to have caused the Late Devonian Extinction?

What is a suspected cause of the Triassic-Jurassic Extinction event?

Which mass extinction event spanned nearly 20 million years?

What is the most likely cause of the Cretaceous-Paleogene extinction?

Which of the following is NOT a cause of mass extinctions?

Which event led to the lowering of sea levels and reduction of habitable areas?

What is the main driver of the ongoing sixth mass extinction?

Which of the following is a possible result of massive asteroid impacts?

What is the most likely impact of volcanic activity on Earth's climate?

What is the main difference between the ongoing sixth mass extinction and previous mass extinctions?

Which of the following is NOT a human activity that contributes to the sixth mass extinction?

What is a common feature of mass extinctions, such as the Cretaceous-Paleogene extinction?

What effect can massive asteroid impacts, like the one in Mexico, have on Earth's climate?

How do ice ages contribute to mass extinctions?

Which factor is considered the primary driver of the ongoing sixth mass extinction?

What is a significant difference between the Cretaceous-Paleogene extinction and the ongoing sixth mass extinction?

How do shifts in climate contribute to mass extinctions?

Which phenomenon reshapes oceans and continents, impacting living conditions and contributing to extinctions?

Which mass extinction event led to the loss of approximately 85% of marine species and is believed to have been caused by climate change induced by glaciation and falling sea levels?

Which mass extinction event is known as the 'Great Dying' and is believed to have been caused by massive volcanic eruptions, climate change, and possibly methane release from oceanic shelves?

Which mass extinction event allowed dinosaurs to dominate the Earth and was possibly driven by climate change and volcanic activity that disrupted the carbon cycle?

Which mass extinction event is believed to have been caused by environmental factors and possibly changes in sea level or asteroid impacts, affecting 75% of species, primarily marine life?

Which mass extinction event saw the disappearance of 50% of species and was possibly driven by climate change and volcanic activity?

Which mass extinction event is known for being the Earth's most severe extinction, eradicating around 96% of marine species and 70% of terrestrial vertebrate species?

Which mass extinction event spanned nearly 20 million years and affected 75% of species, primarily marine life?

What is the primary reason for the ongoing sixth mass extinction?

How do ice ages typically contribute to mass extinctions?

Which phenomenon can significantly alter the Earth's climate by producing ash and gases?

What distinguishes the ongoing sixth mass extinction from past mass extinctions?

Which event is believed to have caused the Late Devonian Extinction?

How do shifts in climate affect biodiversity?

What is the suspected cause of the Triassic-Jurassic Extinction event?

What environmental factor is linked to the loss of approximately 85% of marine species during a specific mass extinction event?

Which mass extinction event was primarily caused by a combination of glaciation, climate change, and falling sea levels?

Which mass extinction event is believed to have been caused by massive volcanic eruptions, climate change, and possibly methane release from oceanic shelves, leading to a 96% loss of marine species and 70% of terrestrial vertebrate species?

Which mass extinction event affected 75% of species, primarily marine life, and was spanned nearly 20 million years?

Which mass extinction event was possibly driven by climate change and volcanic activity that disrupted the carbon cycle, leading to the disappearance of 50% of species?

Which mass extinction event is believed to have been caused by environmental factors and possibly changes in sea level or asteroid impacts?

Which mass extinction event led to the loss of approximately 85% of marine species and is believed to have been caused by climate change induced by glaciation and falling sea levels?

Which mass extinction event spanned nearly 20 million years and affected 75% of species, primarily marine life?

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