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Scientists can determine the sex of a fossil by looking at anatomical differences between males and females, such as pelvic structure or presence of sex-specific features like antlers or horns. Additionally, DNA analysis can sometimes be used to determine the sex of a fossil if well-preserved genetic material is present.
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What do scientists use to determine a fossil's relative age?
Carbon14 dating (isotopic dating)
How do scientists determine the living relatives of a fossil?
Scientists use various techniques such as analyzing DNA, studying anatomical similarities, and examining geographical distributions to determine the living relatives of a fossil. By comparing these factors, scientists can infer relationships between the fossil and modern organisms to identify potential living relatives.
What two major developments helped scientists explain the fossil record?
The theory of evolution by natural selection, proposed by Charles Darwin, helped scientists understand the gradual change of species over time recorded in the fossil record. Additionally, advances in radiometric dating techniques provided scientists with the ability to determine the age of fossils more accurately, allowing for a deeper understanding of the timeline of life on Earth.
How do fossils help scientists learn what happin in the past?
Scientists can learn from a fossil of animal by its age, diet, and physical characteristics, depending on the condition of the fossil. For example, scientists would not be able to tell of a hominid was a new species or not if a few bones were missing, because of the fact that they could determine different or similar traits than other species of hominid.
How do scientists remove fossil from rocks?
by diging it out
How scientists estimate the age in years of a fossil?
Scientists can use carbon dating to determine the age of a fossil.
How is the sex of an individual determined?
Scientists do not determine the sex of a fetus. Science does, but scientists do not.
How do scientists determine age?
by seeing what levels the fossil go to
What tool can help scientists to determine ancient species became extinct?
fossil record
What do scientists use to determine a fossil's relative age?
Carbon14 dating (isotopic dating)
What do scientists today rely on primarily to determine evoluutionary history?
Scientists rely primarily on the fossil record to determine evolutionary history. Another way of determination is examining the genetic record.
How do scientists determine the living relatives of a fossil?
Scientists use various techniques such as analyzing DNA, studying anatomical similarities, and examining geographical distributions to determine the living relatives of a fossil. By comparing these factors, scientists can infer relationships between the fossil and modern organisms to identify potential living relatives.
How do you tell how old a fossil is by the rock layer?
You can determine the relative age of a fossil by looking at the position of the fossil in the rock layers. The closer a fossil is to the surface, the younger it is relative to fossils found deeper in the layers. To determine the absolute age of a fossil, scientists use radiometric dating techniques on the surrounding rocks to determine the age of the rock layer the fossil is found in.
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.
How the age of plant and animal fossils is determined?
The age of a plant or animal in a fossil is determined by radiocarbon dating. This means scientists measure the amount of a special type of carbon in the fossil, to determine the date.
What two major developments helped scientists explain the fossil record?
The theory of evolution by natural selection, proposed by Charles Darwin, helped scientists understand the gradual change of species over time recorded in the fossil record. Additionally, advances in radiometric dating techniques provided scientists with the ability to determine the age of fossils more accurately, allowing for a deeper understanding of the timeline of life on Earth.
What evidence would a scientists use to determine the absolute age of a fossil found in sedimentary rock?
The Igneous intrusions and extrusions near sedimentary layers.
