BioScience Dictionary

 
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Found Macroevolution 2 times.

Displaying results 1 to 10.

1. Macroevolution (adj. macroevolutionary)
Evolution on a species level ( speciation and extinction ) and at higher taxonomic classifications (appearance and disappearance of genus es, families, order s, etc.).

2. Macroevolution
The combination of events associated with the origin, diversification, extinction , and interactions of organisms which produced the species that currently inhabit the Earth. Large scale evolutionary change such as the evolution of new species (or even higher taxa ) and extinction of species.