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What fossil formed when dissolved minerals replace the remains of an organism and then harden to form rock?
A fossil formed in this way is called a petrified fossil. It occurs when minerals gradually replace the organic material in an organism's remains, creating a stone replica of the organism. This process is known as petrification.
What are cast fossils?
One form of fossil forms when an organism dies and its body is covered by layers of sediment. As time passes, the organism itself, particularly when composed primarily of softer materials, is eroded and carried away, leaving a negative imprint of its body. This type of fossil is called a mold. A cast fossil forms when a mold fossil is filled with some form of mineral, usually through the seepage of water depositing the minerals within the mold. In time, the mold is filled and the materials deposited harden, creating a replica of the original fossil. This is called a cast fossil.
What is the verb form of hard?
The verb form of hard is harden. As in "to harden something".
What type of rock forms a fossil?
sedimentary rock -sedimentary rock because organisms die on land or on the bottom of a body of water and the sediments cover it and harden to form fossils. -also, limestone can form fossils.
What is the verb of hard?
The verb form of hard is harden. As in "to harden something".
What conditions are needed for fossil to form?
When an animal or plant dies, usually the remains are eaten or decompose. On occasion though, they get buried by mud or sediment, and in the right conditions, they harden into fossils.The bones or original material decay, and water or other things seep into the impression left by the original material. This water and minerals continue to dissolve the original material, replacing it, and then they harden over time.So, right condition, pressure of the mud on top it is most needed to form a fossil
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 rock are form from a harden volcano?
igneous rock
What is the verb form of the word hard?
The verb form of the word hard is harden.
What are relic combustible materials?
fossil fuels
What fossil does cranidios evolve form?
the skull fossil
What is the plural form of the word fossil?
The plural of fossil is fossils.
