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  2. Body plan - Wikipedia

    en.wikipedia.org/wiki/Body_plan

    Modern groups of animals can be grouped by the arrangement of their body structures, so are said to possess different body plans. A body plan, Bauplan (pl. German: Baupläne), or ground plan is a set of morphological features common to many members of a phylum of animals. [1] The vertebrates share one body plan, while invertebrates have many.

  3. Segmentation (biology) - Wikipedia

    en.wikipedia.org/wiki/Segmentation_(biology)

    Segmentation in biology is the division of some animal and plant body plans into a linear series of repetitive segments that may or may not be interconnected to each other. This article focuses on the segmentation of animal body plans, specifically using the examples of the taxa Arthropoda, Chordata, and Annelida. These three groups form ...

  4. Animal - Wikipedia

    en.wikipedia.org/wiki/Animal

    The remaining animals, the great majority—comprising some 29 phyla and over a million species—form the Bilateria clade, which have a bilaterally symmetric body plan. The Bilateria are triploblastic , with three well-developed germ layers, and their tissues form distinct organs .

  5. Symmetry in biology - Wikipedia

    en.wikipedia.org/wiki/Symmetry_in_biology

    This means that spherical symmetry occurs in an organism if it is able to be cut into two identical halves through any cut that runs through the organism's center. True spherical symmetry is not found in animal body plans. [1] Organisms which show approximate spherical symmetry include the freshwater green alga Volvox. [7]

  6. Hox gene - Wikipedia

    en.wikipedia.org/wiki/Hox_gene

    Hox genes, a subset of homeobox genes, are a group of related genes that specify regions of the body plan of an embryo along the head-tail axis of animals. Hox proteins encode and specify the characteristics of 'position', ensuring that the correct structures form in the correct places of the body. For example, Hox genes in insects specify ...

  7. Starfish bodies aren’t bodies at all, study finds - AOL

    www.aol.com/starfish-body-head-crawling-along...

    The bilateral body plan most animals have stems from molecular-level genetic actions that can be traced in the head and trunk, or main body, regions, which is why vertebrates, like humans, and ...

  8. Arthropod - Wikipedia

    en.wikipedia.org/wiki/Arthropod

    The relative simplicity of the arthropods' body plan, allowing them to move on a variety of surfaces both on land and in water, have made them useful as models for robotics. The redundancy provided by segments allows arthropods and biomimetic robots to move normally even with damaged or lost appendages. [160] [161]

  9. Category:Body plans - Wikipedia

    en.wikipedia.org/wiki/Category:Body_plans

    Refer to how the animal is built, rather than to taxonomic relationships ... Pages in category "Body plans" The following 6 pages are in this category, out of 6 total