explosive evolution

views updated Jun 08 2018

explosive evolution A sudden diversification or adaptive radiation of a group. The term is an old one, rarely used nowadays. Phases of explosive evolution have occurred in all the higher taxonomic groups, i.e. in genera, families, orders, and classes. An example at the ordinal level is the diversification of the mammals at the dawn of the Cenozoic Era.

explosive evolution

views updated May 29 2018

explosive evolution Sudden diversification or adaptive radiation of a group. The term is an old one, rarely used nowadays. Phases of explosive evolution have occurred in all the higher taxonomic groups, i.e. in genera, families, orders, and classes. An example at the ordinal level is the diversification of the mammals at the dawn of the Cenozoic Era.

explosive evolution

views updated Jun 08 2018

explosive evolution A sudden diversification or adaptive radiation of a group. The term is an old one, rarely used nowadays. Phases of explosive evolution have occurred in all the higher taxonomic groups, i.e. in genera, families, orders, and classes.

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explosive evolution

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