Question

This is a fossil that is a copy of an organism's structure, formed when minerals seep into a mold in sediment.

Answer 1

Answer: The correct answer is Cast

Step-by-step explanation:

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Answer 2

A cast is a fossil that is a copy of an organism's structure or shape, formed when minerals seep into a mold. The mold and the cast preserve the details of the animal's structure. Mold is formed when a hard part of an organism is buried in a sediment. One good association to this is molds of shells.