OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What vocabulary word means, “A billion years of Earth’s history?”
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overproduction
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fossil record
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evolution
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geologic time
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Explanation:
Detailed explanation-1: -Eon, era, period, epoch, subepoch, age, and subage are the hierarchical geochronologic units. Geochronometry is the field of geochronology that numerically quantifies geologic time.
Detailed explanation-2: -Earth’s history is divided into a hierarchical series of smaller chunks of time, referred to as the geologic time scale. These divisions, in descending length of time, are called eons, eras, periods, epochs, and ages. These units are classified based on Earth’s rock layers, or strata, and the fossils found within them.
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