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The more recent rock layers will contain fossils that are more similar to current species because of evolution. The older the fossils, the more evolutionary changes will exist between them and current species which accounts for the greater differences.

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How do scientists use sedimentary rock to determine a fossils relative age?

Scientists can use sedimentary rock to determine a fossil's relative age by examining the layers in which the fossil is found. The principle of superposition states that in an undisturbed sequence of sedimentary rock layers, the oldest layer is at the bottom and the youngest layer is at the top. By identifying the layer in which the fossil is located, scientists can approximate its relative age compared to other fossils and rock layers.


What layer is an old fossil found?

Fossils are typically found in sedimentary rock layers, which are formed from the accumulation of sediments over time. Fossils are most commonly found in the mid to lower layers of sedimentary rock formations. The specific layer in which a fossil is found depends on the age of the fossil and the geological history of the area.


A scientist identifies a variety of fossils in a layer of sedimentary rock By applying the principle of fossil succession the scientist can identify?

The age of the rock layer


What layer is sedimentary rock in?

sedimentary layer ㅡㅡ


What can she infer about the ages of the two rock layers?

She can infer that the rock layer with the fossil is younger than the layer without the fossil because the fossil was deposited after the formation of the rock layer. This provides a relative age relationship between the two layers.


Is a sedimentary rock a fossil?

A fossil is any record of an organism preserved in rock, whether it be igneous, sedimentary, or metamorphic. Nearly all fossils are discovered in sedimentary rock.


What is a layer of sedimentary?

a layer of rock


What type of rock is a fossil?

A fossil is evidence of an organisms existence, not a type of rock. Most fossils are found in sedimentary rocks.


What is called when organisms are trapped in sedimentary rock?

when an organism is trapped in sedimentary rock, it will die and the organism will slowly decay, but it won't decay altogether and you get a fossil. the older the fossil is the lower down it will be in a sedimentary layer. that's called superposition...


Is the layer of rock at the bottom of a sedimentatry rock younger or older?

The layer of rock at the bottom of a sedimentary rock is older. This is due to the principle of superposition, which states that in an undisturbed sequence of rock layers, the oldest rocks are at the bottom and the youngest are at the top.


What fossil fuel is sometimes considered a type of organic sedimentary rock?

Coal is the fossil fuel sometimes considered a organic sedimentary rock.


Is igneous or sedimentary rock more likely to contain fossil?

sedimentary