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Vitek1552 [10]
3 years ago
6

Index fossils are used to date rock strata that would otherwise be very difficult to date. Which of these statements describes a

key characteristic of index fossils?
Geography
1 answer:
galina1969 [7]3 years ago
6 0

Answer: They existed for a short span of time.

Explanation:

Index fossils are also referred to as the indicator fossils and they are simply used to define the faunal stages.

Some of the characteristics possessed by the index fossils include:

• geographic distribution that's wide

• short vertical range

• rapid evolutionary trends.

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