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biˈotic, a.
[ad. L. biōtic-us, a. Gr. βιωτικός pertaining to life, f. βίος life.]
†1. Of or pertaining to (common) life, secular. Obs. rare.
1600J. Melvill Diary (1842) 331 The quhilk to serve for all those biotik matters, I thought weil to be heir insert.
2. Of animal life; vital. So biˈotical. Also, pertaining to, produced, or influenced by living organisms, esp. in their ecological relations.
1847Carpenter in Todd Cycl. Anat. & Phys. III. 151 Organization and biotical functions arise from the natural operations of forces inherent in elemental matter. 1868Martin Keil's Min. Proph. I. 408 The idea that there is a biotic rapport between man and the larger domestic animals. 1882Pop. Sc. Monthly XXII. 168 The phenomena of irritability, assimilation, growth, and reproduction, which we may comprehensively designate as biotical. 1907F. E. Clements Plant Physiol. & Ecol. i. 5 Cases of abnormal response are due to biotic factors, particularly parasitic fungi and insects. 1923A. G. Tansley Pract. Plant Ecol. iv. 48 Man is constantly stopping or modifying the development... Where he has introduced a more or less permanent modifying factor or set of factors, we have biotic (anthropogenic) climaxes. 1949New Biol. VI. 54 British grasslands represent neither a climatic nor an edaphic climax, but are a biotic climax. They are maintained as grassland per se under the influence exerted upon them by the biota, i.e. by living organisms, in particular by man and his domestic animals. |