Chapter 14 Terms

Chapter 14 Terms - B iology 1421 Chapter 14 Key Terms A...

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Biology 1421 Chapter 14 Key Terms Analogous Structures: Structures that have similar functions and superficially similar appearance but very different anatomies, such as the wings of insects and birds. The similarities are due to similar environmental pressures rather than to common ancestry. Artificial Selection: A selective breeding procedure in which only those individuals with particular traits are chosen as breeders; used mainly to enhance desirable traits in domestic plants and animals; may also be used in evolutionary biology experiments. Catastrophism: the hypothesis that Earth has experienced a series of geological catastrophes, probably imposed by a supernatural being, that accounts for the multitude of species, both extinct and modern, and preserves creationism. Convergent Evolution: the independent evolution of similar structures among unrelated organisms as a result of similar environmental pressures. Evolution:
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Chapter 14 Terms - B iology 1421 Chapter 14 Key Terms A...

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