Question

what are fossils ..............................................................

Answer 1

Answer:

Fossils are evidence of animal and plant life that has been preserved within the Earth’s crust. Fossils can be actual parts of an animal or plant, or they can be traces of an animal such as its preserved footprints or even its preserved waste! Preserved traces of animals are important because they can reveal information about how the animal behaved long ago and what it ate.

Fossils are typically created when an animal or plant dies. Before it has a chance to decay, it is covered with sediment, which protects it from the elements. As sediment builds up on top of the animal or plant, it became hard and forms rock. Many of the fossils we find took place in a body of water. Over time the animal and plant remains were washed away, leaving a mold of the remains. In some cases, minerals filled the mold and left a small cast, or replica, of the animal or plant. Animal fossils can be found in bogs, quicksand, amber, volcanic ash and tar pits.

Answer 2

Any preserved remains, impression, or trace of any once-living thing from a past geological age is known as a fossil.

Examples include bones, stone imprints of animals or microbes, shells, objects preserved in amber, hair, petrified wood, oil, exoskeletons, coal, and DNA remnants.

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