Briefly explain what happens to an organism during the process of petrification. Write your answer in the essay box below.

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Petrification is a process by which organic material is transformed into rock. Organisms that are buried or submerged in water with high mineral content, such as silica or calcium carbonate, can undergo petrification. During this process, the organic material is slowly replaced with minerals, preserving the organism's shape and structure.

First, the organism is buried or submerged, preventing decay or decomposition. As the surrounding water seeps into the organism's tissues, it carries with it dissolved minerals. Over time, these minerals replace the organic material in the organism, forming a rock replica of the original. Petrification can cause the organism to become heavier and more dense, as the minerals replace the cavities and voids in the organism's tissues.

The resulting petrified organism is a fossil, which can provide important information about the characteristics and behaviors of ancient life. Petrification can also preserve soft tissue, such as feathers or fur, that would otherwise not survive fossilization. The process of petrification can take thousands or even millions of years, making petrified fossils rare and valuable.
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