pertaining to life.
of or relating to living organisms
(of a factor in an ecosystem) produced by the action of living organisms Compare edaphic
a crystalline, water-soluble vitamin, C 10 H 16 O 3 N 2 S, of the vitamin B complex, that is present in all living cells and functions as a growth factor and as a catalyst in carboxylation reactions. noun a vitamin of the B complex, abundant in egg yolk and liver, deficiency of which causes […]
a very common mineral of the mica group, occurring in black, dark-brown, or dark-green sheets and flakes: an important constituent of igneous and metamorphic rocks. Historical Examples South! Sir Ernest Shackleton The Long Labrador Trail Dillon Wallace Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 Various The Long Labrador Trail Dillon Wallace Encyclopaedia Britannica, 11th […]
a portion of a habitat characterized by uniformity in climate and distribution of biotic and abiotic components, as a tidal pool or a forest canopy. noun (ecology) a small area, such as the bark of a tree, that supports its own distinctive community biotope (bī’ə-tōp’) A usually small or well-defined area that is uniform in […]