Respuesta :

Small Geographic Range

“A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time.”

Short-lived as a species is a trait that makes a good index fossil. So, the correct option is A.

What do you mean by Fossil?

A fossil may be defined as a dead and preserved organic matter of a past organism that was buried under the soil millions of years ago.

A good index fossil has for following characteristics:

  • It is remarkable.
  • Widespread over a large geographic range.
  • Abundant in number.
  • Limited geologic time.

Therefore, short-lived as a species is a trait that makes a good index fossil. So, the correct option is A.

To learn more about Good index fossils, refer to the link:

https://brainly.com/question/8387675

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