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  2. List of superseded scientific theories - Wikipedia

    en.wikipedia.org/wiki/List_of_superseded...

    This list includes well-known general theories in science and pre-scientific natural philosophy and natural history that have since been superseded by other scientific theories. Many discarded explanations were once supported by a scientific consensus , but replaced after more empirical information became available that identified flaws and ...

  3. Category:Biology theories - Wikipedia

    en.wikipedia.org/wiki/Category:Biology_theories

    Obsolete biology theories (6 C, 29 P) Pages in category "Biology theories" The following 42 pages are in this category, out of 42 total.

  4. Scientific theory - Wikipedia

    en.wikipedia.org/wiki/Scientific_theory

    A scientific theory is an explanation of an aspect of the natural world and universe ... (for example, scientific theories such as ... Biology: cell theory, ...

  5. Category:Scientific theories - Wikipedia

    en.wikipedia.org/wiki/Category:Scientific_theories

    Scientific theories are distinguished from philosophical theories in that each of their theorems are statements about observable data, whereas a philosophical theory includes theorems which are ideas or principles.

  6. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    In cell theory, what is the exact transport mechanism by which proteins travel through the Golgi apparatus? Mechanism of action of drugs. The mechanisms of action of many drugs including lithium , thalidomide and ketamine [ 13 ] are not completely understood.

  7. Living systems - Wikipedia

    en.wikipedia.org/wiki/Living_systems

    Complex systems biology is a field of science that studies the emergence of complexity in functional organisms from the viewpoint of dynamic systems theory. [20] The latter is also often called systems biology and aims to understand the most fundamental aspects of life.

  8. Evolution as fact and theory - Wikipedia

    en.wikipedia.org/wiki/Evolution_as_fact_and_theory

    A scientific theory is a well-substantiated explanation of such facts. The facts of evolution come from observational evidence of current processes, from imperfections in organisms recording historical common descent, and from transitions in the fossil record. Theories of evolution provide a provisional explanation for these facts. [1]

  9. Alternatives to Darwinian evolution - Wikipedia

    en.wikipedia.org/wiki/Alternatives_to_Darwinian...

    The mediaeval great chain of being as a staircase, implying the possibility of progress: [1] Ramon Lull's Ladder of Ascent and Descent of the Mind, 1305. Alternatives to Darwinian evolution have been proposed by scholars investigating biology to explain signs of evolution and the relatedness of different groups of living things.