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Answered 2009-01-10 04:02:20

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How is preserved fossil formed?

preserved fossils can be formed when your frozen or when an organism is trapped in sticky tar or tree resin


How are petrified fossils formed?

Petrified fossils are formed when other minerals replace all or part of an organism.


How are trace fossils formed?

Trace fossils are formed when an organism leaves a trace; such as a footprint, a bite mark, or even poo.


When are amber fossils formed?

Amber fossils are creatures that were captured or trapped in tree sap and preserved there over time, long enough for the sap to become solid as rock and the creature to be preserved inside it.


Which of the major types of fossils do not form in sediments Describe how this type can form?

Well there are 3 types of fossils: Petrified Fossils, Molds and Cast, and Preserved Remains. Petrified Fossils are the organisms buried in the layers of sediment. Molds and Casts are the organisms, like shells, buried by sediments, in which they gradually dissolve. Preserved Remains are the organisms preserved in other substances. For example, entire organisms, such as huge elephant-like mammoths that lived thousands of years ago, have been preserved in ice. Therefore, Preserved Remains is a major type of fossil that does not form in sediments.This can be formed by decades of being stuck in the ice age and eventually falling through the ice and never getting out. Since you cant get out you get frozen! Being frozen and preserved in another type of substance in called... Preserved Remains!Hope it helps.


Which of the major types of fossils does not form in sediments describe how this type can form?

Well there are 3 types of fossils: Petrified Fossils, Molds and Cast, and Preserved Remains. Petrified Fossils are the organisms buried in the layers of sediment. Molds and Casts are the organisms, like shells, buried by sediments, in which they gradually dissolve. Preserved Remains are the organisms preserved in other substances. For example, entire organisms, such as huge elephant-like mammoths that lived thousands of years ago, have been preserved in ice. Therefore, Preserved Remains is a major type of fossil that does not form in sediments. This can be formed by decades of being stuck in the ice age and eventually falling through the ice and never getting out. Since you cant get out you get frozen! Being frozen and preserved in another type of substance in called... Preserved Remains! --Hope this could help. Thanks for reading.:)


Why can you not find fossils in other rocks?

Every rocks have formed in special environment some form by lava and some form in sea, raver and lakes so the rock which is formed inside water so they have fossils of specific environment and the rocks form by lava it was hot so there were no possibility to preserved living organism.


What Is formed from the buried remains of marine organisms?

Fossils are formed from the buried remains of marine organisms. These organisms are under a tremendous amount of pressure and, over time, they fossilize.


Is a fossil formed when an organism buried in sediment dissolves called?

When a hard part of an organism buried in sediment dissolves an leaves an empty space it is called a mold.


How are frozen fossils form?

The fossils are all ready formed by being buried and the earth pressure over time and happen to be in an area where it freezes.


What fossils formed when an organism dissolves and leaves an empty space in a rock are called?

Voids left behind by once present fossils are called 'trace fossils'.


What are fossils formed when the soft parts of an organism decay and the hard parts are replaced by minerals?

These are called "replacement fossils" also "petrification"


What determines the type of fossil that is formed?

the conditions under which the organism died and how it was buried


What fossil formed when an organism buried in sediment dissolves leaving a hollow are?

The answer is Mold


How are preserved remains formed?

Preserved remains are formed when the body of an organism is preserved and protected from decay through freezing, being trapped in tar, sap from a tree hardens around the body, or the body is put in a bog. (Like a peat bog.)


How are different types of fossils formed?

By being buried quickly so they do not rot and fade away into nothingness.


A fossil formed when an organism buried in sediment dissolves leaving a hallow area?

mold


What are the remains of living things that have been preserved in the earth's crust?

Fossils, although technically they are not preserved in the earths crust; the minerals in the bones and pore spaces have been replaced by other harder minerals which take much longer to weather.There are a number of different fossilization processes. See this link :How are Fossils Formed?


What is the source of fossils fuels which were formed millions of years ago?

Plants which died and decayed and were buried by later material.


How do fossils end up in sedimentary rocks?

fossils are small living organisms that existed millions of years ago. They mostly have a shell which is the fossil that you can sea. Sedimentary rock is formed when lots of small particles and pieces of rock and often dead organisms, (the fossils) drift down to the sea bed and over millions of years get compressed together to form the rock. The fossil that you see was once a living shelled organism which dies and was preserved as the sedimentary rock formed


Describe what fossils are and list three different kinds?

Fosssils are the preserved remains or traces of animals , plants, and other organisms from the remote past. The totality of fossils, both discovered and undiscovered, and their placement in fossiliferous (fossil-containing) rock formations and sedimentary layers (strata) is known as the fossil record.Types:-mold fossils (a fossilized impression made in the substrate - a negative image of the organism)cast fossils (formed when a mold is filled in)trace fossils = ichnofossils (fossilized nests, gastroliths, burrows, footprints, etc.)true form fossils (fossils of the actual animal or animal part).


What conditions are necessary to insure fossilization?

The type of fossil that is formed is determined by the conditions under which an organism died and how it was buried


How are fish fossils formed?

Fish fossils are formed by the fossilization of fish.


The way fossils are formed in very dry places is called what?

Fossils can be formed by:MummificationPetrificationDesiccationRelated question on Answers.com:How are fossils formed?


How are preserved remains fossils formed?

Fossils are remains or evidence of life forms. They are formed in several ways, for example an object such as a leaf can make a print in soft dirt that later becomes a rock. A cavity formed by a shell can serve as a mold to form a fossil. Or sometimes the living cells can become mineralized or replaced by mineral, this is petrification. Also organisms can be preserved by in volcanic ash, dry caves, freezing, or in tree sap that forms amber.


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