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单词 macroevolution
释义

macroevolution


mac·ro·ev·o·lu·tion

M0014800 (măk′rō-ĕv′ə-lo͞o′shən, -ē′və-)n. Large-scale evolution occurring over a very long period time that results in the formation of new species and higher-level taxonomic groups.
mac′ro·ev′o·lu′tion·ar′y (-shə-nĕr′ē) adj.

macroevolution

(ˌmækrəʊˌiːvəˈluːʃən) n (Biology) biology the evolution of large taxonomic groups such as genera and families ˌmacroˌevoˈlutionary adj

mac•ro•ev•o•lu•tion

(ˌmæk roʊˌɛv əˈlu ʃən; esp. Brit. -ˌi və-)

n. major evolutionary change of species and taxa. [1935–40] mac`ro•ev`o•lu′tion•ar′y, adj.
Thesaurus
Noun1.macroevolution - evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groupsmacroevolution - evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groupsorganic evolution, phylogenesis, phylogeny, evolution - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

macroevolution


macroevolution

(măk′rō-ĕv′ə-lo͞o′shən, -ē′və-)n. Large-scale evolution occurring over a very long period time that results in the formation of new species and higher-level taxonomic groups.
mac′ro·ev′o·lu′tion·ar′y (-shə-nĕr′ē) adj.

macroevolution

A term of art for large-scale evolution of ecologically separated gene pools, which occurs at or above the level of speciation, resulting in relatively large and complex changes such as anagenesis and cladogenesis stasigenesis.

macroevolution

the collective processes by which new species arise and others become extinct.

macroevolution


  • noun

Words related to macroevolution

noun evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups

Related Words

  • organic evolution
  • phylogenesis
  • phylogeny
  • evolution
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更新时间:2025/3/1 12:18:46