Life Science Evolution and Adaptation

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What is gradualism?

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Gradualism is a model describing evolution as a slow and steady process over time.

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What is the fossil record?

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The fossil record is a timeline of life on Earth developed by studying fossils.

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What type of rock is most likely to contain fossils?

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Sedimentary rock is the type of rock most likely to contain fossils.

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What are fossils?

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Fossils are the preserved remains or physical evidence of organisms that lived in the past.

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What does it suggest when comparing bone structures of different animals?

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Similarities in bone structures may suggest that these animals have a common ancestor.

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What is natural selection?

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Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

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What is a common ancestor?

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A common ancestor is an early species from which two or more different species have evolved.

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What is variation in the context of evolution?

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Variation refers to the differences in traits among individuals in a population.

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What is punctuated equilibrium?

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Punctuated equilibrium is a theory that proposes evolution occurs in rapid bursts followed by long periods of stability.

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What is embryology?

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Embryology is the study of embryos and their development, which can provide evidence for evolutionary relationships.