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They are all forms of fossils created through the preservation of an organism or object in sedimentary rock. A mold is a hollow space left by an organism, a cast is a replica of the original organism, and an imprint is a mark or impression left in the rock.

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1y ago

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What must form first for a cast to be made?

📷 Organisms buried in sediment slowly decompose, leaving a cavity that contains an exact imprint of the organisms' shape and size. When this hollow space fills with material, this material takes the shape of the mold, forming a cast.


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.


How are mold and cast related?

The Cast is the fossil of the shell etc itself. The Mould is the hollow left in the surrounding rock if the fossil is removed artificially or by some natural event such as differential dissolution or mass-movement.


What is the original organism decay leaving an imprint and an empty space?

Mold


What is the definition for cast mold and imprint?

As long as the online class teaches the rules of your state, then an online class would be helpful. If it's just basic information, it could be a waste of time. Be sure you practice driving with your child.


What are five different type of fossils?

Imprint fossils, Mineralized fossils, frozen fossils, fossils in amber, and cast fossils.


When hard minerals fill an imprint of an organism they eventually form a model of the organism called a?

mold


Are mold and cast fossil the same thing?

There are mold and cast fossils in many local creeks, streams, and/or rivers.If the original organism dissolves or decays, leaving a hollow in the rock, that is a mold.If the mold fills up with sediment which gradually hardens into the shape of the original organism, then that is a cast.Casts are copies of fossilized plants or animals. Molds are hollow impressions of the fossil.Its a Fossil.


What actors and actresses appeared in The Imprint - 1914?

The cast of The Imprint - 1914 includes: Augusta Bolle Henry King


What is the differnce between a cast and a mold?

A MOLD is used to make a cast.


What actors and actresses appeared in Imprint - 1990?

The cast of Imprint - 1990 includes: Guy Lawson as Host Daniel Richler


What is the original organism decays leaving an imprint and an empty space?

The original organism mentioned is most likely a shell or bone. When it decays, it leaves behind an imprint in the surrounding material and creates an empty space where it once was. Over time, this imprint can fossilize, preserving information about the organism.