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What is the key difference between the shell on the left and the cast fossil on the right?
The key difference between the shell on the left and the cast fossil on the right lies in their formation. The shell is a physical structure that was once part of a living organism, while the cast fossil represents a replica of the original shell's shape created by sediment filling in the mold left behind after the shell decayed or was removed. Essentially, the shell is the original material, whereas the cast fossil is a mineralized impression.
This is the mineralized remains of plants or animals?
It is called replacement .
What is the function of the shell membrane?
The shell membrane is a thin tissue structure upon which the mineralized shell is built.
Where can a mineralized foosil be found?
Mineralized fossils can be found in sedimentary rocks such as shale, limestone, and sandstone. They are often located in areas where there was once a high concentration of marine life, such as ancient seabeds or riverbeds. Paleontologists and fossil collectors frequently search for mineralized fossils in regions known for their fossil-rich deposits.
What do you call a mineralized trace of a living organism preserved in rock?
A trace fossil can be anything from a coprolite (faeces) to a footprint. It is anything which proves the creature's existence without being the actual creature itself. For example, an ammonite shell is proof of its individual existence, but its faeces give us little information about its appearance. A fossil could be a cast, mold, or true form fossil.
What does carbon dating have to do with the fossil record?
Nothing. Something must contain carbon to be carbon dated. By definition fossils are mineralized and contain no carbon.
This fossil shell has symmetrical valves?
brachiopod
Are Most dinosaur fossils are completely petrified?
All of them, in fact. There are no bits of flesh still present in a millions-of-years-old fossil; it's all mineralized.
What environment would the shell of an organism most likely be preserved as a fossil?
A hard shell organism have more of a chance to become a fossil .
What does carracosta evolve from?
cover fossil (or japanese translation shell fossil) then tirtouga (level 37) carracosta.
What type of fossil is an ancient animals home?
When an ancient animal for example Tortoise or snail die in its shell....years later another tortoise or snail can fit itself in the fossil shell.
A mineralized shell?
No
