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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A paleontologist is studying the fossils in several layers of sedimentary rock. She wants to know if an extinction event occurred during the time when any of the layers were formed. What is the best question she could ask to determine which layer may contain evidence of an extinction?
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Is there a decrease in the biodiversity of the fossils in a layer?
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Is there an increase in the biodiversity of the fossils in a layer?
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Radiocarbon dating (usually referred to simply as carbon-14 dating) is a radiometric dating method. It uses the naturally occurring radioisotope carbon-14 (14C) to estimate the age of carbon-bearing materials up to about 58, 000 to 62, 000 years old.
Detailed explanation-2: -Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils.
There is 1 question to complete.