macroevolution


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mac·ro·ev·o·lu·tion

 (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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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 groups
organic evolution, phylogenesis, phylogeny, evolution - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
References in periodicals archive ?
Not one, he continued, is "promising as raw materials for macroevolution"--because mutations in them all killed off the fly long before it could mate.
In addition, although epigenetic mechanisms represent a hallmark of eukaryotic genome regulation, we know surprisingly little about the evolution of these mechanisms across eukaryotic diversity.the overarching goal of my project is to understand how epigenetic mechanisms and lgt have shaped the macroevolution of eukaryotic genomes.
Generally, the development of an organism is a modification of its ancestors' ontogenies according to macroevolution (Futuyma, 1998), and embryology provides testable confirmations and predictions about macroevolution (Gilbert, 1997).
Although he agrees with the power of natural selection to drive microevolution (evolution occurring within the boundaries of a species), his argument is that it is insufficient to account for macroevolution (evolution that jumps boundaries, leading to novel clades and species).
Soot is a strong, light-absorbing aerosol that caused global climate changes that triggered the mass extinction of dinosaurs, ammonites, and other animals, and led to the macroevolution of mammals and the appearance of humans.
The problem with macroevolution is that you can't set up an experiment to prove it.
Richard Goldschmidt (1878-1958) in 1940 has coined the terms of macroevolution, which means evolution from a long timespan (geological) perspective, andmicroevolution, which means evolution from a small timespan (a few generations) perspective with observable changes [1].
He did not produce said evidence, but instead used the red-herring claim (often used by intelligent design/creationists) that there is no evidence for macroevolution.
Macroevolution in microchiropteran: recoupling morphology and ecology with phylogeny.
Hunter JP (1998) Key innovations and the ecology of macroevolution. Trends in Ecology and Evolution 13: 31-36 doi: 10.1016/S0169-5347(97)01273-1
Coral Faunas Across the Ordovician-Silurian Transition of South China: Implications on Paleobiogeography and Macroevolution. University of Chinese Academy of Sciences, PhD thesis, 179 pp.