Biology, 10.10.2021 01:30, aliciatorrescollins
Which would best be used as an index fossil?
O A. alligator bones, because they have lived a long time with relatively few changes in body structure
O B. petrified wood, because it clearly shows the parts of the wood replaced by minerals
O C. sedimentary rock, because it is found in horizontal layers created in succession
O D. trilobites, because they lived for a short period of time and then became extinct
Answers: 3
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Which would best be used as an index fossil?
O A. alligator bones, because they have lived a long...
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