a. a fossil formed by the impression of a once-living thing
Biology, 15.01.2020 21:31 angelyce4142
What is an index fossil?
a. a fossil formed by the impression of a once-living thing
b. a fossil that is found only in one particular time period
c. a fossil that appears to show an evolutionary change from one
species to the next
d. a fossil that appears periodically throughout earth's history
Answers: 2
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What is an index fossil?
a. a fossil formed by the impression of a once-living thing
a. a fossil formed by the impression of a once-living thing
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