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How many major extinction events have occurred during the Earth's history?
Wiki User
∙ 13y ago
five
Wiki User
∙ 13y ago
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What happens to earths materials during deposition?
A river is created?
Which of the following dod not occur during the Cenozoic era?
Several periods of mass extinction
During the last ice age how much of the earths surface was covered by glaciers?
30%
What hazards occur during a hurricane?
damage to the earths plates and land grass and houses can be destroyed by it
During which years did the age of exploration occur?
The Age of Exploration occurred in the 1400s to the 1700s.
Is the Devonian time before or after the mass extinction?
Which mass extinction? There have been five such events. The first one, the Ordovician-Silurian extinction event occurred before the Devonian. The Late Devonian event occurred during the Devonian. All other mass extinctions occurred after the Devonian.
What are mass extinction and background extinction different?
Mass extinction - More than 50% of the population went extinct in a short period of time.Background extinction - An average rate of extinction occurred during a given time period.
What was earths atmosphere oceans and continents began to form during a period of earths history called?
precambrian era
How much of earths history took place during the Precambrian Eon?
4 billon years i think
Why Describe how fossils can provide evidence of how environmental conditions and life have changed during earths history?
hi
What is the changes that have occurred in the diversity of life on earth?
Life on Earth is less diverse now than it was during the Phanerozoic Era. The Cambrian Extinction caused a sharp decline in biodiversity.
What are the main significant events that occurred during the Big Bang?
Read Stephen Hawking's "A Brief History Of Time".
What climate changes occurred during the stone ages?
Yes What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?
What is Permian?
The Permian was the last period of the Paleozoic Era, spanning 299-351 million years ago. It was a time during which reptiles diversified. It ended with the Permian-Triassic extinction event, the largest mass extinction in Earth's history.
What climate changes during the stone ages?
Yes What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?What Climate changes occurred during the Stone Ages?
What are history words that start with f?
The French Revolution was a revolutionary movement in France. It occurred during the period 1789- 1799.
What happens during and after a mass extinction?
During: Lots of screaming. After: Much, much less screaming.
