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Trilobite fossils are most probably the exoskeleton of an animal. Abandoned when the animal shed its shell to grow a new one as part of the growth process. A collection of abandoned shells could then be winnowed by ocean currents and piled up as a large group in an eddy. Such winnowing of shells is a common marine process.
What else can I help you with?
One kind of fossil forms from the body parts of organisms. What is another kind of fossil?
Another kind of fossil is a mold or cast fossil, which forms when an organism's remains decay and leave an impression in the surrounding sediment that is later filled with minerals. Another type is a trace fossil, which is evidence of an organism's activity, like footprints or burrows, preserved in rock.
What is the name for a very old fossil in sedimentary rocks?
A very old fossil in sedimentary rocks is called a "trace fossil" or "index fossil." These fossils provide valuable information about past life forms and help scientists understand Earth's history.
Which type of fossil forms when an organisms hard parts dissolve and leave a cavity that later fills with sedim?
A mold fossil forms when an organism's hard parts dissolve and leave a cavity that later fills with sediment, creating a replica of the organism's shape.
Is petroleum a fossil fuel like coal and natural gas?
Coal, oil, natural gas, etc. are forms ofpetroleum and yes, petroleum in all forms, is a fossil fuel.
How is the hypothesis about Earth's earliest life forms consistent with fossil evidence?
I know you have a textbook so use it
How a carbon film fossil forms?
A coal-like residue, bulids up and forms around something to form a fossil. This fossil should be classified as a carbon-film fossil.
What forms when a fossil mold is filled?
When a fossil mold is filled, it forms a fossil cast. The cast is a replica of the original organism or object that created the mold, made of the same material as the original organism or object. Fossil casts are valuable in paleontology for studying the morphology of ancient organisms.
Where in the fossil record can you find fossils of the oldest life forms?
The fossils of the oldest life forms can be found in the Precambrian period of the fossil record.
How do a fossil forms?
it hardens and molds the shape
What forms when an imprint is left in a rock?
fossil
What are the three basic forms of fossil fuels?
Fossil fuels (coal, oil and natural gas).
What is millions of fossils that scientists have collected?
Fossil records. Next time look in your textbook.
Which forms first a fossil mold or a fossil cast?
First, a thin layer of sediment hardens and forms a mold. Then, what is known as a cast is when a new layer of sediment fills in the mold breaking down the creature/ animal/fossil.
Darwins opinion that living forms must be descended from extinct forms?
It was based on fossil evidence
What are three major forms of fossil energy?
coaloilnatural gas
What fossil fuel forms from decayed swamp plants?
coal
What fossil forms an empty space left in a rock?
A fossil mold forms when an organism's remains decay and leave behind an empty space in the rock where it was once located. This empty space can then be filled with minerals to create a fossil cast.
