Heredity and Adaptation I-check 1

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What is a fossil?

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A fossil is the remains, traces, or imprints of animal or plant life preserved in Earth's crust.

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What does the fossil record represent?

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The fossil record represents the history of life on Earth as documented by fossils.

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What is relative dating in paleontology?

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Relative dating is a method used to determine the age of fossils by comparing their placement in layers of rock.

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What is biodiversity?

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Biodiversity refers to the variety of life in the world or in a particular habitat or ecosystem.

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Why do we find more fossils of snails and vertebrates than of jellyfish?

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We find more fossils of snails and vertebrates because shells and bones fossilize easier than the soft parts of jellyfish.

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What are fossil remains?

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Fossil remains are the preserved parts of organisms, such as bones, shells, or imprints.

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What is paleontology?

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Paleontology is the scientific study of the history of life on Earth through the examination of plant and animal fossils.

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What is the significance of sedimentary rock in fossil formation?

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Sedimentary rock is significant because it is the type of rock where most fossils are found, formed from particles that settle over time.

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What is an example of an organism that fossilizes well?

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An example of an organism that fossilizes well is a dinosaur, due to its bones being hard and durable.

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What is the difference between a fossil and a fossil record?

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A fossil is an individual preserved organism, while the fossil record is the collective history of all fossils found.