OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Epochs
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Eras
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Periods
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Eons
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Detailed explanation-1: -The Phanerozoic Eon is divided into three eras, the Paleozoic, Mesozoic and Cenozoic eras. These were named for the kinds of fossils that were present. The Cenozoic is the youngest era and the name means “new life”. This is because the fossils are similar to animals and plants that are common today.
Detailed explanation-2: -The Phanerozoic Eon is split into three eras: Paleozoic (541.0-252.2 MYA; symbolized by PZ in the GRI GIS data), Mesozoic (252.2-66.0 MYA; symbolized by MZ in the GRI GIS data), and Cenozoic (66.0 MYA-present; symbolized by CZ in the GRI GIS data).
Detailed explanation-3: -66 MILLION YEARS AGO TO TODAY. Cenozoic Era. 252 MILLION TO 66 MILLION YEARS AGO. Mesozoic Era. 541 MILLION TO 252 MILLION YEARS AGO. Paleozoic Era. 4.5 BILLION to 541 MILLION YEARS AGO. The Precambrian. Geologic Time Scale. Geologic Time. National Fossil Day. 26-Oct-2020