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What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism, often found in sedimentary rock.

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Is fossil creation a natural process?

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Yes, fossil creation is a natural process that occurs over millions of years.

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Why may fossils of the same organism be found on different continents?

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Because the continents were once together, a concept known as continental drift.

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What does the Law of Superposition state?

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The Law of Superposition states that in undisturbed layers of rock, the oldest layers are at the bottom and the younger layers are at the top.

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What is the significance of comparing fossils from different locations?

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Comparing fossils helps determine the relative ages of rock layers and the history of life on Earth.

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What is radioactive dating?

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Radioactive dating is a method used to determine the age of rocks and fossils by measuring the decay of radioactive isotopes.

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What is the principle of uniformitarianism?

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The principle of uniformitarianism states that the processes we see shaping the Earth today have been occurring in the same way throughout geological time.

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What are sedimentary rocks?

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Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles, often containing fossils.

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What is the difference between relative age and absolute age?

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Relative age is the age of an object in relation to other objects, while absolute age is the actual age of an object in years.

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What is an index fossil?

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An index fossil is a fossil that is used to define and identify a particular time period in the geological time scale.