44 Questions
What major event led to the loss of approximately 85% of marine species?
Ordovician-Silurian Extinction
Which mass extinction event is known as the 'Great Dying'?
Permian-Triassic Extinction
Which mass extinction allowed dinosaurs to dominate the Earth?
Triassic-Jurassic Extinction
What percentage of marine species were eradicated in the Permian-Triassic Extinction?
96%
Which environmental factor is suspected to have caused the Late Devonian Extinction?
Climate change
What is a suspected cause of the Triassic-Jurassic Extinction event?
Massive volcanic eruptions
Which mass extinction event spanned nearly 20 million years?
Late Devonian Extinction
What is the most likely cause of the Cretaceous-Paleogene extinction?
A combination of volcanic activity and asteroid impact
Which of the following is NOT a cause of mass extinctions?
Human activities
Which event led to the lowering of sea levels and reduction of habitable areas?
Climate change
What is the main driver of the ongoing sixth mass extinction?
Human activities
Which of the following is a possible result of massive asteroid impacts?
Blocking of sunlight
What is the most likely impact of volcanic activity on Earth's climate?
Cooling of the climate
What is the main difference between the ongoing sixth mass extinction and previous mass extinctions?
The sixth extinction is driven by anthropogenic factors
Which of the following is NOT a human activity that contributes to the sixth mass extinction?
Asteroid impacts
What is a common feature of mass extinctions, such as the Cretaceous-Paleogene extinction?
Widespread volcanic eruptions
What effect can massive asteroid impacts, like the one in Mexico, have on Earth's climate?
Reducing sunlight and disrupting climate
How do ice ages contribute to mass extinctions?
By reducing sea levels and habitable areas
Which factor is considered the primary driver of the ongoing sixth mass extinction?
Human activities like habitat destruction
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
How do shifts in climate contribute to mass extinctions?
By drastically altering biodiversity and living conditions
Which phenomenon reshapes oceans and continents, impacting living conditions and contributing to extinctions?
Continental drift and plate tectonics
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
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
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
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
Which mass extinction event saw the disappearance of 50% of species and was possibly driven by climate change and volcanic activity?
Triassic-Jurassic Extinction
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
Which mass extinction event spanned nearly 20 million years and affected 75% of species, primarily marine life?
Late Devonian Extinction
What is the primary reason for the ongoing sixth mass extinction?
Habitat destruction
How do ice ages typically contribute to mass extinctions?
By causing global cooling and a decrease in habitable areas
Which phenomenon can significantly alter the Earth's climate by producing ash and gases?
Volcanic activity
What distinguishes the ongoing sixth mass extinction from past mass extinctions?
Driven by human activities
Which event is believed to have caused the Late Devonian Extinction?
Climate change
How do shifts in climate affect biodiversity?
By causing drastic effects on biodiversity
What is the suspected cause of the Triassic-Jurassic Extinction event?
Volcanic activity
What environmental factor is linked to the loss of approximately 85% of marine species during a specific mass extinction event?
Climate change
Which mass extinction event was primarily caused by a combination of glaciation, climate change, and falling sea levels?
Ordovician-Silurian Extinction
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
Which mass extinction event affected 75% of species, primarily marine life, and was spanned nearly 20 million years?
Late Devonian Extinction
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
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
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
Which mass extinction event spanned nearly 20 million years and affected 75% of species, primarily marine life?
Late Devonian Extinction
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