Biology. A (species of) plant, animal, or other organism that spreads, or has spread, into a new area, esp. one which is among the first to become…
| 单词 | θ19542 |
| 释义 | the world > life > biology > balance of nature > organisms in relation to habitat > [noun] (61) colonist1839 Biology. A (species of) plant, animal, or other organism that spreads, or has spread, into a new area, esp. one which is among the first to become… benthos1891 Haeckel's name for the flora and fauna at or near the bottom of the sea. So abyssal benthos, plants and animals of the deep sea; littoral benthos… land form1897 A kind (of living organism) found on land. heterotroph1900 Any organism which requires an external supply of energy contained in complex organic compounds to maintain its existence. autotroph1901 An autotrophic organism (see autotrophic, adj. 1). Also as adj. epibenthos1902 The flora and fauna living at or near the bottom of any body of water, spec. on the surface of the bottom. specialist1902 Ecology. A species which is closely adapted to certain environmental conditions or a particular ecological niche. microaerophile1903 A microorganism that requires less oxygen than that of the atmosphere for optimal growth. nitrifier1903 An organism which produces nitrites or nitrates; a soil containing such organisms. consumer1904 Ecology. An organism that derives the organic compounds it needs from the consumption of other organisms; a heterotroph. Contrast producer, n. 6. nitrogen fixer1904 an organism which brings about nitrogen fixation. producer1904 Ecology. An organism that produces organic compounds from simple substances such as water, carbon dioxide, or nitrogen; an autotroph. Frequently… indicator1906 Ecology. A group of plants or animals whose presence acts as a sign of particular environmental conditions. Also attributive. psychrophile1906 A psychrophilic organism. thermophil1909 A thermophil organism. sulphuretum1925 An ecological community of organisms, mainly consisting of sulphur bacteria, which metabolizes sulphur compounds in a closed subcycle of the… influent1926 Ecology. An organism which affects the ecological balance of a plant or animal community. halobiont1928 an organism that lives in a saline habitat. halophile1928 Ecology. An organism which grows in or can tolerate saline conditions. mesophile1928 A mesophilic organism. oligosaprobe1931 An oligosaprobic organism. saprobe1932 Any organism that derives its nourishment from decaying organic matter. eurytope1938 A eurytopic organism. stenotope1938 A stenotopic organism. photoautotroph1939 An autotrophic organism which uses light as an energy source. chemoautotroph1943 A chemoautotrophic organism. prototroph1946 A prototrophic microorganism (see prototrophic, adj. 2). mixotrophy1948 Mixotrophic nutrition; the state or condition of being mixotrophic. chemolithoautotroph1949 A chemolithoautotrophic organism. auxotroph1950 A mutant bacterium, fungus, etc., which has an additional nutritional requirement compared with the original strain; a naturally occurring… chemoheterotroph1951 A chemoheterotrophic organism. chemoorganotroph1953 A chemoorganotrophic organism. chemolithotroph1955 A chemolithotrophic organism. chemotroph1958 A chemotrophic organism. osmophile1961 An osmophilic microorganism. Cf. osmophilic, adj.1 psychrotroph1963 A psychrotrophic organism. saprotroph1963 An organism that feeds on or derives nourishment from decaying organic matter; = saprobe, n. generalist1964 Ecology. A species (esp. an animal) that can tolerate a wide variety of food sources, habitats, or climates. Contrasted with specialist, n. 4. opportunist1967 Ecology. An opportunistic species (cf. opportunistic, adj. 2). cryophile1970 A cryophilic organism. Also in extended or humorous use: a person or organism that prefers a colder climate or environment. Subcategories:— conditions of (21) |
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