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Mold
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What is a fossil imprint?
decay
How is a cast mold fossil of a clam different then the organism?
They are different because casts and molds are just an imprint (or a copy) of the organism's body. The soft parts of the organism would most likely decay, and the shell, bones, or just the outer hard parts would be fossilized.
When the hard parts of an organism decay and leave a cavity in the rock what forms?
When the hard parts of an organism decay and leave a cavity in the rock, a fossil mold can form. This mold is a negative impression of the organism's hard parts in the surrounding rock, preserving the shape and structure of the original organism.
Which kind of temperature will slow down an organism decay?
It will slow down an organism's decay in freezing temperatures.
Is decay a micro-organism?
Decay, in itself, is a process.However, decay is caused by decomposing bacteria, which are micro-organisms.
What will happen if the dead organism do not decay?
If a dead organism does not decay, it may become mummified or fossilized depending on the conditions it is in. In cases where decay does not occur, the dead organism may stick around for an extended period, potentially impacting the ecosystem by not releasing nutrients back into the environment.
How is radioactive decay useful in dating rocks and minerals?
Radioactive decay has a constant rate of change, therefore it con be used to somewhat accurately tell the age of an object if you work backwards through the use of half-lifes (half of the existing radioactive material decays, leaving half of the original in its original form)
What are five ways fossils can form?
Preservation in sedimentary rock: The organism's remains are buried in sediment and mineralized over time. Casts and molds: The organism's remains decay, leaving an impression in the sediment that is later filled with minerals. Carbonization: The organism's remains are compressed, leaving behind a thin film of carbon. Freezing or desiccation: The organism is preserved through freezing or drying out quickly. Amber preservation: The organism becomes trapped in tree resin, preserving it over time.
Is it true fossils can form when the remains of anorganism decay?
noFossils can form when the remains of an organism decay. ... When a dead organismis buried, it often decayscompletely, leaving only an impression in the rock in a formof a hollow mold. The hard parts are most likely to leave an impression, although sometimes so can soft parts.
What happens to the food made or eaten by organism?
the food starts to decay
A sample contains 1200 radioactive atoms of a particular nuclide After an interval of two half-lives how many atoms have disintegrated?
After one half-life, half of the original radioactive atoms will decay, leaving 600 atoms. After a second half-life, another half of the remaining atoms will decay, leaving 300 atoms that have disintegrated out of the original 1200 atoms.
What are the 5 different stages of fossilization?
The five stages of fossilization are: 1) death of an organism, 2) rapid burial by sediment or other material, 3) decay of soft tissues, 4) infiltration of minerals into the remains, and 5) hardening of the original material into rock.
