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What does the principle of superposition tell you about the relative ages of sedimentary rock layers?
There are two types of age determinations. Geologists in the late 18th and early 19th century studied rock layers and the fossils in them to determine relative age. William Smith was one of the most important scientists from this time who helped to develop knowledge of the succession of different fossils by studying their distribution through the sequence of sedimentary rocks in southern England. It wasn't until well into the 20th century that enough information had accumulated about the rate of radioactive decay that the age of rocks and fossils in number of years could be determined through radiometric age dating.Principle of superposition: Younger sedimentary rocks are deposited on top of older sedimentary rocks.Principle of cross-cutting relations: Any geologic feature is younger than anything else that it cuts across.The dating of fossils was originally done by their placement in a geologic column of rock strata. Because of the Law of Superposition, the deeper the stratum, the older it is (in an undisturbed body of rock or sediment). Fossils which were evident in a particular stratum, but missing from other strata were noted as "index" fossils. The presence of these fossils indicated the age of the stratum relative to other layers. The layers of stratum were placed in a geologic column, subdivided, and assigned names based on the presence of different types of fossil organisms.This is the basis of "relative dating" of rock layers and fossils, a dating technique that was in effect until the advent of radiometric techniques in the twentieth century.
What is a bug scientist called?
An insect scientist is called an entomologist.
What do you call a scientist working on mollusks?
A scientist who studies mollusks is called a teuthologist.
Which scientist propounded the conditioned reflex theory?
the russian scientist pavlov.
What are scientist called that study insects?
A scientist who studies insects is called an "entomologist".
The Principle of Biological Succession was developed by?
The Principle of Biological Succession was developed by the scientist Charles Darwin. He proposed that plant and animal species in an ecosystem change over time in response to environmental factors, leading to a gradual replacement of species in a predictable sequence.
The experiments conducted by this scientist demonstrated the principle of biogenesis.?
The experiments conducted by the scientist Louis Pasteur demonstrated the principle of biogenesis.
What kind of scientist isolates and identifies human and determines the functions of each?
biomedical enginear
Is Mary White a scientist?
Dr. Mary White is a Paleobotanist and scientist. She studies plant remains and identifies the fossils. She is currently living in Australia.
What scientist first discovered the principle of gravity?
Issac Newton
Which si unit is named the scientist whose principle described transfer of pressure in an enclosed fluid?
The SI unit that is named for the scientist whose principle described transfer of pressure in an enclosed fluid is pascal.
Which SI unit is named for scientist whose principle describe transfer of pressure in an enclosed fluid?
The SI unit that is named for the scientist whose principle described transfer of pressure in an enclosed fluid is pascal.
Which SI unit is name for the scientist whose principle described transfer of pressure in an enclosed fluid?
The SI unit that is named for the scientist whose principle described transfer of pressure in an enclosed fluid is pascal.
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 S1 unit named for the scientist whose principle described transfer of pressure in an enclosed fluid?
The Pascal (Pa) is the unit named for Blaise Pascal, the scientist whose principle described the transfer of pressure in an enclosed fluid.
What kind of scientist isolates and identifies different human genes and determines the functions of earth?
genetic engineer
Can one scientist observe all of the stages of secondary succession on an abandoned field?
It is unlikely for one scientist to observe all stages of secondary succession in one field as this process takes years or decades to unfold fully. However, a team of scientists can work together to monitor different stages over time and collectively gather data on the overall progression of secondary succession in the area.
