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Earth's climate cooled, which caused ice ages. Thick glaciers formed. The level of the ocean fell by more than 100 meters. Then the climate began to warm. Continental glaciers melted. Mammals became common.

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What conditions allowed so many different kinds of mammals to evolve during the Cenozoic era?

Earth's climate warned during the tertiary period which allowed marine life to evolve and grasses evolved as well which meant grass eating mammals had a food source. Then the earths climate cooled facing a series of ice ages. Then 20000 years ago earths climate warmed again so ocean animals and land animals thrived.


How geometric isolalation of common ancestral species of finches has led to the development of 14 different species of finches in the galapagos island?

Geometric isolation of common ancestral species of finches has led to the development of 14 different species of finches in the Galapagos Island due to the concept of diversification.


What is the difference between Mesozoic Era and the Cenozoic Era?

The Mesozoic Era, often called the "Age of Reptiles," lasted from about 252 to 66 million years ago and is characterized by the dominance of dinosaurs and the emergence of mammals and birds. In contrast, the Cenozoic Era, which began around 66 million years ago and continues to the present, is known as the "Age of Mammals," marked by the rapid evolution and diversification of mammals and birds following the extinction of the dinosaurs. Additionally, the Cenozoic Era features significant geological changes and the formation of modern ecosystems.


What is a Molecular Rates?

Morphological Rates and Diversification Rates.


Why aren't reptiles mammals?

Mammals have hair and nurse their young. That's what makes them mammals.

Related Questions

What were the Events that led to the diversification of mammals?

The diversification of mammals was significantly influenced by the mass extinction event around 66 million years ago, which wiped out the dinosaurs and many other species. This created ecological niches that allowed mammals to evolve and adapt in various environments. Following this event, mammals underwent rapid diversification during the Paleogene period, leading to the emergence of various groups, including primates, cetaceans, and rodents, as they occupied different habitats and developed unique adaptations. Additionally, climatic changes and continental drift further facilitated their diversification.


What is the nickname for Cenozoic tertiary?

"The Age of Mammals" is the nickname for the Cenozoic Era, which was formerly known as the Tertiary Period. It is characterized by the dominance and diversification of mammals on Earth.


How was the continents in the Tertiary?

During the Tertiary period, the Earth's continents were continuing to drift apart due to plate tectonics. This movement led to the modern configuration of continents that we see today. The Tertiary period also saw dramatic shifts in climate and the diversification of mammals.


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CenozoicOf, belonging to, or designating the latest era of geologic time, which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents, glaciation, and the diversification of mammals, birds, and plants.Source: Answers.com


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