When a plant/animal dies, the soft parts of the body swiftly become decayed, and decompose via organisms called decomposers. If they are near trees or other plants or fungi, they might become become absorbed for nutrients through the soil.
It can decade or another animal will eat the soft parts
decomposers like worms and fungi eat it
They Leave Behind Bones or leaves from whatever they were.
The plant or animal is said to have become extinct.
Umm, plant or animal death, it has no special name.
extinct
As the body of the plant or animal decomposes or is is eaten the phosphates are used by the consuming organisms.
That's called extinction.
The typical sequence or order of fossilization is when a plant or animal dies parts are preserved by freezing, mummification, distillation, or permineralization.
It dies (after a while).
A fossil is the prehistoric remains of a plant or animal. After an animal or plant dies, it may be buried under many layers of mud, sand, or rock, and under intense pressure a replica of that animal or plant is formed from minerals.
When an organism dies, its soft parts often decay quickly or are eaten by animals
The nitrogen goes into the soil and then into the atmosphere through denitrification ;)