It's when the rock dies and is attacked by decomposers. This is why it has a small chance of becoming a fossil, but if it does, it gets covered by sediment where it slowly starts to decay. The rock then starts to be preserved where the first layer of sediment is compressed by the weight.
A True form fossil is a fossil of the whole/entire body of the organism.
This is called a trace fossil. or a mold.
Fossil
A tropites fossil is a fossil of a tropites. A tropites is a genus of coiled ammonite. They only existed for about 20 million years, which makes it a good index fossil.
deep fossil
an un changed fossil
"After days of arguing, the original decision was unaltered." "My opinion is unaltered."
yes he was
Unaltered Remains refers to a wide range of types of fossilisation of living organisms. It includes fossilisation by freezing, entrapment in amber, desiccation (mummification) and chemical preservation the remains are largely unaltered, although some of the detail or quality may have been lost.
An unaltered female rabbit
You can't
Unaltered urine is referring to a urine sample not changed in any way, such as no chemicals or substances added to make it different than how it was when it exited the donors body .
Remains unaltered
Unaltered urine simply means natural urine that has not had anything added to it. Some urine testing will be inaccurate if the urine has been altered, such as having water added to it. Unaltered urine is required for drug screening testing.
fossil
The Fossils in Pokémon Diamond are the Helix Fossil which is the Omanyte Fossil, the Dome Fossil which is the Kabuto Fossil, the Old Amber which is the Aerodactyl Fossil, the Root Fossil which is the Lileep Fossil, the Claw Fossil which is the Anorith Fossil, the Skull Fossil which is the Cranidos Fossil and the Armor Fossil which is the Shieldon Fossil.
You have 9 types: Armor Fossil, Claw Fossil, Cover Fossil, Dome Fossil, Helix Fossil, Old Amber, Plume Fossil, Root Fossil, Skull Fossil