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单词 macroevolution
释义

macroevolutionn.

Brit. /ˌmakrəʊˌiːvəˈl(j)uːʃn/, /ˌmakrəʊˌɛvəˈl(j)uːʃn/, U.S. /ˌmækroʊˌɛvəˈluʃən/
Origin: Formed within English, by compounding; probably modelled on a French lexical item. Etymons: macro- comb. form, evolution n.
Etymology: < macro- comb. form + evolution n., probably after French macroévolution (1932, J. Rostand). Compare earlier microevolution n.
Major evolutionary change, usually over a long period; the evolution of genera or higher taxa.
ΚΠ
1937 T. Dozhansky Genetics & Origin of Species i. 12 For this reason we are compelled at the present level of knowledge reluctantly to put a sign of equality between the mechanisms of macro- and micro-evolution.
1940 R. Goldschmidt Material Basis Evol. iii. 8 Microevolution..has been used..for evolutionary processes observable within the span of a human lifetime as opposed to macroevolution, on a geological scale.
1972 Listener 3 Aug. 138/2 There may be a different mechanism for grand heroic macro-evolution and for ordinary humdrum everyday evolution at species or sub-species level.
1989 E. Lawrence Guide Mod. Biol. v. 165 The evidence of the fossil record and the study of the comparative anatomy and physiology of extant organisms provides the raw material for the study of macroevolution.
2001 Nature 8 Feb. 669 The concept of macroevolution is better clarified when broken down into its two major component parts: phyletic and morphological evolution.

Derivatives

macroevoˈlutionary adj.
ΘΚΠ
the world > life > biology > biological processes > evolution > [adjective] > processes or types of evolution
high?1548
recapitulative1836
retrogressive1853
transmutational1861
ontogenetic1869
convergent1871
phylogenetic1876
correlative1877
ontogenic1878
phylogenetical1879
phytogenetic1882
monotypic1888
phytogenetical1888
polytypic1888
ontogenal1890
phylogenal1890
recapitulatory1890
tachygenetic1893
ontogenetical1894
anagenetic1896
orthogenic1896
orthogenetic1899
macroevolutionary1937
microevolutionary1937
proterogenetic1938
speciational1944
parapatric1953
cladogenetic1957
allochronic1960
stasigenetic1965
stasipatric1967
speciating1970
punctuational1976
tachygenic-
1937 T. Dozhansky Genetics & Origin of Species i. 12 Experience seems to show..that there is no way toward an understanding of the mechanisms of macro-evolutionary changes..other than through a full comprehension of the micro-evolutionary processes observable within the span of a human lifetime.
1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) ii. 45/1 Though species selection is the basis of much macroevolutionary change, it is not the only agent.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1937
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