Macroevolution definition

măkrō-ĕvə-lo͝oshən, -ēvə-
The definition of macroevolution is a large-scale change in the evolution of a species.

An example of macroevolution is when feathers appeared on some dinosaurs evolving into birds.

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Large-scale evolution occurring over a very long period time that results in the formation of new species and higher-level taxonomic groups.
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Large-scale and long-range evolution involving the appearance of new genera, families, etc. of organisms.
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Large-scale evolution occurring over a very long period time that results in the formation of new species and higher-level taxonomic groups.
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Evolution that results in the formation of a new taxonomic group above the level of a species.
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Large-scale patterns or processes in the history of life, including the origins of novel organism designs, evolutionary trends, adaptive radiations and extinctions.
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Other Word Forms

Noun

Singular:
macroevolution
Plural:
macroevolutions

Origin of macroevolution