Paleozoic - climate change
Mesozoic - meteor
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
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 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.
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.
The Cenozoic era started 65 million years ago.
The Reconstruction era began in 1865 and ended in 1877.
Extinction did.
began in R and ended in E
The Mesozoic era began roughly 250 million years ago, and ended 65 million years ago. (This Era ended because of the K.T. extinction)
The modern era that began approximately 65 million years ago with the mass extinction of the dinosaurs is called the Cenozoic Era.
Mesozoic
The Aztec era began in 1200 A.D. and ended in 1512 A.D.