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      • This concept is central to ecology: the study of adaptation is the study of the evolutionary relationship between organisms and their environment. Adaptation is related to biological fitness, which governs the rate of evolution as measured by change in gene frequencies.
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  2. May 15, 2022 · Evolution involves two interrelated phenomena: adaptation and speciation. In adaptation, over the course of time, species modify their phenotypes in ways that permit them to succeed in their environment. In speciation, over the course of time, the number of species multiplies; that is, a single species can give rise to two or more descendant ...

  3. adaptation, in biology, the process by which a species becomes fitted to its environment; it is the result of natural selection’s acting upon heritable variation over several generations.

  4. Oct 19, 2023 · Vocabulary. In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. Although scientists discussed adaptation prior to the 1800s, it was not until then that Charles Darwin and Alfred Russel Wallace developed the theory of natural selection.

  5. An adaptation is a feature produced by natural selection for its current function. Based on this definition we can make specific predictions (“If X is an adaptation for a particular function, then we’d predict that…”) and see if our predictions match our observations.

  6. Overview. The rough-skinned newt looks harmless enough but is, in fact, packed full of one of the most potent neurotoxins known to man. Find out how an evolutionary arms race has pushed these mild-mannered critters to the extremes of toxicity and how evolutionary biologists have unraveled their fascinating story.

  7. Ecology for All! 4: Adaptations to the Physical Environment. 4.1: What is adaptation? Expand/collapse global location. 4.1: What is adaptation? Page ID. Table of contents. Adaptation. History. General principles. What adaptation is not. Adaptedness and fitness. Definition: Reciprocal transplant experiment.

  8. An adaptation is a feature that arose and was favored by natural selection for its current function. Adaptations help an organism survive and/or reproduce in its current environment.