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What is 100 million years old?
Fossils of dinosaurs are often around 100 million years old, dating back to the Late Cretaceous period. This era saw the dominance of dinosaurs on Earth, alongside the emergence of flowering plants. Additionally, certain geological formations and sedimentary rocks can also be around this age, providing insights into the planet's history during that time.
What are the three eras that earths time period are broken down into?
Earth's time periods are primarily broken down into three eras: the Paleozoic, Mesozoic, and Cenozoic. The Paleozoic Era is characterized by the emergence of complex life forms, including fish and amphibians. The Mesozoic Era, known as the age of reptiles, saw the rise and dominance of dinosaurs. The Cenozoic Era, often referred to as the age of mammals, marks the period after the dinosaurs' extinction and features the development of mammals and birds, leading to the present day.
What were some of the key appearances and radiations in the mesozoic era?
The Mesozoic Era, often called the "Age of Reptiles," saw the emergence of dinosaurs as dominant land vertebrates, with significant radiations into various forms, including theropods and sauropods. This era also witnessed the appearance of the first mammals and birds, evolving from theropod ancestors. Additionally, the period saw the diversification of reptiles, including marine reptiles like ichthyosaurs and plesiosaurs, as well as the rise of flowering plants, which transformed terrestrial ecosystems.
What era did dinosaurs begin to exist?
in the era of awesomeness when dinosaurs were alive.
Which era did the dinosaurs live?
Dinosaurs lived during the Mesozoic Era.
In which era did the dinosaurs lived?
Dinosaurs lived during the Mesozoic Era.
Which era could be called the age of the dinosaurs?
The era for the age of dinosaurs is called the mesozoic era.
What was the era of dinosaurs?
Mesozoic Era
Did any dinosaurs live in the Cambrian Era?
No. In the Bambrian Era, dinosaurs had yet to evolve.
Durin which prehistoric era did dinosaurs roam the earth?
Dinosaurs lived during the Mesozoic era.
What dinosaurs were from the palezoic era?
None. Dinosaurs first appeared in the Mesozoic Era, after the Paleozoic ended.
During what era does fossil evidence suggest life first evolved on earth?
Fossil evidence suggests that life first evolved on Earth during the Archean Eon, around 3.8 to 2.5 billion years ago. This era saw the emergence of early single-celled organisms, such as bacteria and archaea, which were the first forms of life on our planet.
