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Paleozoic - climate change

Mesozoic - meteor

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14y ago

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Why do you think most extinction's occur as background extinctions?

Most extinctions occur as background extinctions because they are longer time periods unlike the shorter mass extinctions which there were only two in the Paleozoic era, the Ordovician mass extinction, and the Permian/Triassic extinction in which 95% of all marine animals became extinct


When did the production era end?

The production era in marketing ended in the 1960s. This era was characterized by a focus on production efficiency and mass production. It was later replaced by the sales era, where businesses began to focus more on selling and promoting their products.


There will be a mass extinction in the cenozoic era?

There is no concrete evidence to suggest a mass extinction will occur in the Cenozoic era. Extinctions have happened throughout Earth's history, but predicting a mass event in a specific era is challenging. It is crucial to focus on conservation efforts to prevent any potential threats to biodiversity.


What is the name for the modern era which began approximtely 65 million years ago with the mass extinction of the dinosaurs?

The modern era that began approximately 65 million years ago with the mass extinction of the dinosaurs is called the Cenozoic era. It is also known as the Age of Mammals, as mammals began to dominate the Earth during this time.


When did the Cenozoic era end?

The Cenozoic era started 65 million years ago.


Why did the civil war reconstruction era begin and end?

The Reconstruction era began in 1865 and ended in 1877.


What event ended the paleozoic and mesozoic era?

Extinction did.


When did renaissance era end begin and end?

began in R and ended in E


When did Mesozoic era begin and end?

The Mesozoic era began roughly 250 million years ago, and ended 65 million years ago. (This Era ended because of the K.T. extinction)


What is the name for the modern era which began approximately 65 million years ago with the mass extinction of the dinosaurs?

The modern era that began approximately 65 million years ago with the mass extinction of the dinosaurs is called the Cenozoic Era.


What era ended in the largest mass extinction in earth's history?

Mesozoic


When did the aztec era start?

The Aztec era began in 1200 A.D. and ended in 1512 A.D.