Question

scientists use faunal succession to help determine the the relative age of rock layers by recognizing the specific, predictable order of fossils within them.truefalseammonites and trilobites are examples of index fossils.truefalse

Explanation:

Faunal succession is a principle that states that fossil organisms succeed one another in a definite and recognizable order. Index fossils are fossils that are used to define and identify geologic periods. Ammonites and trilobites are well - known index fossils.

Answer:

True, True