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  1. Jul 24, 2022 · In biology, a theory is a widely accepted explanation of a biological phenomenon based on sound evidence from rigorous empirical experiments and scientific observations. An example of a popular biological theory is Charles Darwin’s Theory of Evolution by Natural Selection. This theory attempts to explain evolution where natural selection is ...

  2. What Is a Theory? Part of the Darwin exhibition. In everyday use, the word "theory" often means an untested hunch, or a guess without supporting evidence. But for scientists, a theory has nearly the opposite meaning. A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts.

  3. Mar 25, 2024 · Theory is a systematic explanation of phenomena based on observation, experimentation, and reasoning. It provides a framework for understanding complex concepts and predicting future events or behaviors. Theories are central to academic disciplines, offering a foundation for research, analysis, and application.

  4. Jul 23, 2022 · A scientific theory is a well-established explanation of some aspect of the natural world. Theories come from scientific data and multiple experiments. While it is not possible to prove a theory, a single contrary result using the scientific method can disprove it. In other words, a theory is testable and falsifiable. Examples of Scientific ...

  5. Jan 31, 2022 · A scientific theory is a structured explanation to explain a group of facts or phenomena in the natural world that often incorporates a scientific hypothesis and scientific laws. The scientific ...

  6. Mar 16, 2016 · Theory: In science, a well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses. Source. The Role of Theory in Advancing 21st-Century Biology, National Academy of Sciences Teaching About Evolution and the Nature of Science, National Academy of Sciences

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  8. Definition A theory is a well-substantiated explanation of some aspect of the natural world, based on a body of evidence and repeatedly tested through observation and experimentation. Theories are broader in scope than hypotheses and can generate new hypotheses.

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