organic phenomenon

Noun
  1. (biology) a natural phenomenon involving living plants and animals (synset 111438864)
    referred to in: biological science, biology - the science that studies living organisms
    is a type of: natural phenomenon - all phenomena that are not artificial
    subtypes:
    • dominance - the organic phenomenon in which one of a pair of alleles present in a genotype is expressed in the phenotype and the other allele of the pair is not
    • abiogenesis, autogenesis, autogeny, spontaneous generation - a hypothetical organic phenomenon by which living organisms are created from nonliving matter
    • alternation of generations, heterogenesis, xenogenesis - the alternation of two or more different forms in the life cycle of a plant or animal
    • annual ring, growth ring - an annual formation of wood in plants as they grow
    • bioelectricity - electric phenomena in animals or plants
    • circulation - movement through a circuit; especially the movement of blood through the heart and blood vessels
    • cyclosis, streaming - the circulation of cytoplasm within a cell
    • death - the permanent end of all life functions in an organism or part of an organism
    • decay, decomposition - the organic phenomenon of rotting
    • dehiscence - (biology) release of material by splitting open of an organ or tissue; the natural bursting open at maturity of a fruit or other reproductive body to release seeds or spores or the bursting open of a surgically closed wound
    • desquamation, peeling, shedding - loss of bits of outer skin by peeling or shedding or coming off in scales
    • exfoliation - the peeling off in flakes or scales of bark or dead skin
    • diapedesis - passage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissue
    • facilitation - (neurophysiology) phenomenon that occurs when two or more neural impulses that alone are not enough to trigger a response in a neuron combine to trigger an action potential
    • food chain - (ecology) a community of organisms where each member is eaten in turn by another member
    • food pyramid - (ecology) a hierarchy of food chains with the principal predator at the top; each level preys on the level below
    • food cycle, food web - (ecology) a community of organisms where there are several interrelated food chains
    • gene expression - conversion of the information encoded in a gene first into messenger RNA and then to a protein
    • histocompatibility - condition in which the cells of one tissue can survive in the presence of cells of another tissue
    • life - the organic phenomenon that distinguishes living organisms from nonliving ones
    • life cycle - a series of stages through which an organism passes between recurrences of a primary stage
    • pleomorphism - (biology) the appearance of two or more distinctly different forms in the life cycle of some organisms
    • polymorphism - (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences)
    • polymorphism - (genetics) the genetic variation within a population that natural selection can operate on
    • recognition - (biology) the ability of one molecule to attach to another molecule that has a complementary shape
    • rejection - (medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign
    • greening, rejuvenation - the phenomenon of vitality and freshness being restored
    • sex linkage - an association between genes in sex chromosomes that makes some characteristics appear more frequently in one sex than in the other

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