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petrified fossils

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Which fossil type could contain preserved parts of an organism?

mold fosssil


Which fossil type could contain preserved parts of a organism?

It is called a mold fossil, which can become a cast fossil. After the soft parts of the animal rot away, a cavity remains (the mold fossil) which becomes filled with hardened sand or mud (the cast fossil).


Which type of fossil forms when an organisms hard parts dissolve and leave a cavity that later fills with sedim?

A mold fossil forms when an organism's hard parts dissolve and leave a cavity that later fills with sediment, creating a replica of the organism's shape.


What determines the type of fossil that is formed?

The type of fossil that forms is determined by the organism's characteristics, the environment in which it lived, and the processes of preservation. Factors such as the organism's hard parts, burial conditions, and the presence of oxygen all play a role in the formation of different types of fossils.


What type of fossil is the solid copy of the shape of the organism?

a cast fossil


What type of organism would be most useful as an index fossil?

Those that have hard parts that fossilize, are plentiful, ubiquitous and evolve rapidly.


What type of organism is a stegosaurus fossil?

A stgosaurus type.


What is a fossil cast?

A fossil cast is a type of fossil formed when sediments fill in the hollow space left by a decomposed organism. The sediments harden into rock, preserving the shape of the organism in the form of a cast. This can provide scientists with valuable information about the size and shape of the original organism.


What fossil type is open space left inside a rock by organism that has decayed?

A fossil type characterized by an open space left inside a rock by an organism that has decayed is called a mold fossil. Mold fossils are created when the organism decomposes and the impression is preserved in the sediment that surrounds it, leaving behind a cavity in the shape of the organism.


This type of fossil is formed when an organism is buried in sediment which hardens into rock. After the soft parts of the animal rot away a cavity remains?

mold


Which type of fossil is formed when silica is added?

Fossils formed when silica is added are called silicified fossils. Silica replaces the original organic material of the organism, resulting in a preserved fossil with a glassy appearance. This process can produce detailed and well-preserved fossils.


This type of fossil is formed when an organism is buried in sediment which hardens into rock After the soft parts of the animal rot away a cavity remains?

The type of fossil being described is a mold fossil. These fossils preserve the external shape of an organism by filling in the cavity left behind after the original organism decays. Mold fossils provide important insights into the shape and size of ancient organisms.