question 12 (1 point)\na fossil of an organism that lived for only a short time is found in a narrow range…

question 12 (1 point)\na fossil of an organism that lived for only a short time is found in a narrow range and is used to assign an age to the rocks in which it is found. what is this type of fossil called?\n\na an index fossil\n\nb a permineralized fossil\n\nc a reference fossil\n\nd a faunal fossil

question 12 (1 point)\na fossil of an organism that lived for only a short time is found in a narrow range and is used to assign an age to the rocks in which it is found. what is this type of fossil called?\n\na an index fossil\n\nb a permineralized fossil\n\nc a reference fossil\n\nd a faunal fossil

Answer

Brief Explanations:

Index fossils are from organisms with short - lived existence, used for rock - age determination.

Answer:

A. an index fossil