Explain how index fossils can be used to date newly discovered fossils.

Biology

2 answers:

laila [671]3 years ago

5 0

Answer:

Some fossils, known as index fossils, help geologists balance rock layers. A fossil must be broadly dispersed to be a valuable index fossil and indicate a form of organism that has lived for a short time. Index fossils are valuable when the relative ages of the rock layers are told.

<em>Copying this answer is plagiarism. Please refrain from using these exact words. </em>

ololo11 [35]3 years ago

3 0

Answer:

1) Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in.

2) Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.

Explanation:

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