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  2. Symmetry in biology - Wikipedia

    en.wikipedia.org/wiki/Symmetry_in_biology

    Symmetry in biology refers to the symmetry observed in organisms, including plants, animals, fungi, and bacteria. External symmetry can be easily seen by just looking at an organism. For example, the face of a human being has a plane of symmetry down its centre, or a pine cone displays a clear symmetrical spiral pattern.

  3. Symmetry - Wikipedia

    en.wikipedia.org/wiki/Symmetry

    In biology, the notion of symmetry is also used as in physics, that is to say to describe the properties of the objects studied, including their interactions. A remarkable property of biological evolution is the changes of symmetry corresponding to the appearance of new parts and dynamics. [24] [25]

  4. Animal - Wikipedia

    en.wikipedia.org/wiki/Animal

    The biological definition includes all members of the kingdom ... [118] Other than Ctenophora, the Bilateria and Cnidaria are the only groups with symmetry, ...

  5. Patterns in nature - Wikipedia

    en.wikipedia.org/wiki/Patterns_in_nature

    Animals mainly have bilateral or mirror symmetry, as do the leaves of plants and some flowers such as orchids. [30] Plants often have radial or rotational symmetry, as do many flowers and some groups of animals such as sea anemones. Fivefold symmetry is found in the echinoderms, the group that includes starfish, sea urchins, and sea lilies. [31]

  6. Asymmetry - Wikipedia

    en.wikipedia.org/wiki/Asymmetry

    Asymmetry is the absence of, or a violation of, symmetry (the property of an object being invariant to a transformation, such as reflection). [1] Symmetry is an important property of both physical and abstract systems and it may be displayed in precise terms or in more aesthetic terms. [2]

  7. Chirality - Wikipedia

    en.wikipedia.org/wiki/Chirality

    From chemical level (molecular scale), biological systems show extreme stereospecificity in synthesis, uptake, sensing, metabolic processing. A living system usually deals with two enantiomers of the same compound in drastically different ways. In biology, homochirality is a common property of amino acids and carbohydrates.

  8. Incredible New Evidence of 'Symmetry Violation' May Explain ...

    www.aol.com/lifestyle/incredible-evidence...

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  9. Bilateria - Wikipedia

    en.wikipedia.org/wiki/Bilateria

    Bilateria (/ ˌ b aɪ l ə ˈ t ɪər i ə / BY-lə-TEER-ee-ə) [5] is a large clade or infrakingdom of animals called bilaterians (/ ˌ b aɪ l ə ˈ t ɪər i ə n / BY-lə-TEER-ee-ən), [6] characterized by bilateral symmetry (i.e. having a left and a right side that are mirror images of each other) during embryonic development.