GENETICS AND EVOLUTION
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which division of geologic time is the longest?
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eon
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period
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era
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epoch
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Explanation:
Detailed explanation-1: -The Proterozoic Eon is the most recent division of the Precambrian. It is also the longest geologic eon, beginning 2.5 billion years ago and ending 541 million years ago.
Detailed explanation-2: -The geologic time scale is divided into (from longest to shortest): eons, eras, periods, epochs and ages.
Detailed explanation-3: -Eon: Two or more eras compose an Eon. This is the largest division of time, lasting hundreds of millions of years.
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