Fossil Record

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What is the Fossil Record?

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The Fossil Record is the history of life on Earth as documented by fossils, which are the preserved remains or traces of organisms from the past.

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What does Evolution refer to?

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Evolution refers to the change over time in the heritable characteristics of biological populations.

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What is Absolute Age?

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Absolute Age is the number of years since a rock has formed, providing a specific age.

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What is Relative Age?

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Relative Age is the age of a rock compared to the ages of other rocks, indicating which is older or younger.

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What does the Law of Superposition state?

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

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Why did horse teeth evolve to be longer and stronger?

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Horse teeth evolved to be longer and stronger primarily because their food source changed to mainly grass, which contains hard minerals.

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What is a fossil?

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A fossil is the preserved remains or evidence of ancient life, such as bones, shells, or imprints.

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What is a paleontologist?

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A paleontologist is a scientist who studies fossils to understand the history of life on Earth.

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What is the significance of transitional fossils?

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Transitional fossils provide evidence for the evolutionary process by showing intermediary forms between different species.

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What is a sedimentary rock?

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Sedimentary rock is a type of rock formed by the accumulation and compaction of mineral and organic particles, often containing fossils.