Which is true about index fossils? (tick all that apply)

Question

Accepted Answer

They can be used for age determination

Accepted Answer

They are characteristic for a specific geological time

Answer

They lived for a long period of time and are therefore often found in sediments

Answer

They are characteristic for a specific geological environment

Answer

They show paleo current directions

Answer

None of the above is true

Answer

They are used to determine paleo climate conditions

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