A Trip Through Geologic Times

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What is the Cenozoic Era?

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The Cenozoic Era is the most recent geological era, starting about 66 million years ago, characterized by the dominance of mammals and birds.

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What is the Mesozoic Era known for?

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The Mesozoic Era is known as the 'Age of Reptiles' and lasted from about 252 to 66 million years ago, featuring the rise and fall of dinosaurs.

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What are mammals?

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Mammals are warm-blooded vertebrates that have hair or fur and typically give live birth and produce milk to feed their young.

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What is the Triassic Period?

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The Triassic Period is the first period of the Mesozoic Era, lasting from about 252 to 201 million years ago, known for the emergence of dinosaurs.

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What are fossils?

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Fossils are the preserved remains or traces of organisms that lived in the past, providing evidence of ancient life.

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What is the Paleozoic Era?

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The Paleozoic Era is a geological era that lasted from about 541 to 252 million years ago, known for the development of early life forms, including fish and amphibians.

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What significant event marks the end of the Mesozoic Era?

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The end of the Mesozoic Era is marked by a mass extinction event that led to the extinction of the dinosaurs.

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What is the significance of the Quaternary Period?

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The Quaternary Period is the most recent geological period, starting about 2.6 million years ago, characterized by the development of humans and significant climate changes.

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What are the main types of fossils?

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The main types of fossils include body fossils (preserved remains of organisms) and trace fossils (evidence of an organism's activity, like footprints).

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What does the term 'extinction' mean?

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Extinction refers to the end of an organism or a group of organisms, resulting in no living members of that species.