Respuesta :
The two requirements are that usually necessary for the organism to become the fossilized is possession of the hard parts like (teeth, shells, the bones, etc.)
fossilization and Petrification can be defined as the physical, chemical and biological processes by which plant and animal remains are preserved over long periods of time. home: Encyclopedia of Geology (Second Edition), 2021. Examples that include bones, the shells, the exoskeletons, animal or microbial the stone imprints, the objects preserved in amber, hair, the petrified wood, oil, the charcoal, and DNA remnants. Fossils are the preserved remains of plants and animals whose bodies are buried in sediments such as sand and mud under ancient seas, lakes and rivers. Fossils also contain traces of surviving life and are usually over 10,000 years old.
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