Biology
Grade-6
Easy
Question
Which of the following specialities are used in order to create a fossil record?
Comparative anatomy
Radiometric dating
DNA analysis
All of the above
Comparative anatomy
Radiometric dating
DNA analysis
All of the above
Hint:
Fossils are the dead remains of the organisms that used to roam the earth millions and billions of years ago.
The correct answer is: All of the above
- A fossils record is a document to record the fossils found from the pre-historic era till now.
- Many specialties help in creating the fossils record.
- DNA analysis presents us with proof that two or more species had to share the same ancestry. It shows how closely or distinctly two species are related.
- Anatomy also presents proof of evolution, when two organisms share some anatomical similarity, it shows that they evolve from the same ancestor.
- Radioactive dating is the method that helps in establishing the age of the fossil and how old is the fossil.
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Study of fossils is known as ____________.
Study of fossils is known as ____________.
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Scientist have found the evolutionary sequence of man with the help of?
Scientist have found the evolutionary sequence of man with the help of?
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Which of the following is true regarding fossil record?
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By analyzing fossil whales, what have scientists found about whales’ evolution over time?
By analyzing fossil whales, what have scientists found about whales’ evolution over time?
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Which of the following correctly states the layers in order from youngest to oldest?
- Younger fossil will be in uppermost layer.
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- Younger fossil will be in uppermost layer.
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The basic principle used when dating fossils that are found in sedimentary is
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Fossil record is incomplete because
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How does fossil record support the idea that evolution occurred on Earth?
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The picture shows which type of fossil.
- Imprint fossils are formed in clay and silt sediment .
The picture shows which type of fossil.
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- Imprint fossils are formed in clay and silt sediment .
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Of all of the organisms that have lived on earth, about what percentage are still known to be alive.
- There are so many organisms that extinct after a time period.
Of all of the organisms that have lived on earth, about what percentage are still known to be alive.
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- There are so many organisms that extinct after a time period.
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__________ are remains of plants and animals that are now extinct.
- Fossils provide knowledge of the ancient world and history of life on earth.
__________ are remains of plants and animals that are now extinct.
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- Fossils provide knowledge of the ancient world and history of life on earth.
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Which term describes all of the fossils that are discovered over time?
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Which term describes all of the fossils that are discovered over time?
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- Fossil record helps to know about history of life on earth.
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When all the members of a species die off, the species is known to be _________.
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When all the members of a species die off, the species is known to be _________.
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Fossils are mostly found in ____________ rocks.
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The theory that states undisturbed layers of rock have the oldest layers on the bottom and the youngest on the top is known as __________.
- The principle States that the oldest layer is at the base and that the layers progressively younger with ascending order in the sequence.
The theory that states undisturbed layers of rock have the oldest layers on the bottom and the youngest on the top is known as __________.
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- The principle States that the oldest layer is at the base and that the layers progressively younger with ascending order in the sequence.
