Science, asked by lhelsel170, 8 months ago

Which phrase describes organisms that formed index fossils?

Answers

Answered by luckyrutvika
2

Answer:

have hard parts

Explanation:

hope it is helpful

Answered by shwetagehoie
0

the phrases are -

are extinct

had hard parts

were generally large

were alive only for a short time

lived in a narrow geographic area

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