What are the different era's and their characteristics?

Answer 1

Mesozoic era: Tyrannosaurus Rex lived.

End of the Paleozoic era: The largest mass extinction happened.

Paleozoic era: Life exploded for the first time.

End of the Mesozoic era: The Chicxulub crater formed.

Mesozoic era: The dinosaurs became common.

End of the Paleozoic era: 95 percent of species died out.

Paleozoic era: Land-based animals first became common.

End of the Mesozoic era: Dinosaurs became suddenly extinct.

A.PrecambrianWhen life first flourished on EarthB.MesozoicThe era before the current oneC.PaleozoicThe first eraD.CenozoicThe current era

Answer 2

1. Paleolithic Era (2.5 million - 10,000 years ago): Characterized by the use of stone tools, hunting and gathering lifestyles, and cave art.
2. Neolithic Era (10,000 - 4,500 years ago): Marked by the development of agriculture, domestication of animals, settled communities, and the creation of pottery.
3. Bronze Age (3300 - 1200 BCE): Known for the use of bronze tools and weapons, the rise of complex societies like Mesopotamia and Egypt, and the development of writing systems.
4. Iron Age (1200 BCE - 500 CE): Defined by the widespread use of iron tools and weapons, the expansion of empires such as Rome and China, and the development of coinage.