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the formation of a new species over a few generations

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13y ago

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What is an instantaneous speciation?

Instantaneous speciation, also known as saltation, is a theory in evolutionary biology that suggests new species can arise suddenly and rapidly, rather than through gradual accumulation of small changes. This idea challenges the traditional view of gradualism where species evolve slowly over time. However, there is limited empirical evidence to support the concept of instantaneous speciation.


Is necessary for the process of speciation?

Speciation is the process by which new species evolve from existing species. It is necessary for creating and maintaining biodiversity in ecosystems. Without speciation, organisms would not be able to adapt to changing environments and ultimately survive.


What best describes how long it usually takes for speciation to occur?

Speciation can occur over variable timeframes depending on factors like genetic isolation, selective pressures, and population size. It can range from thousands to millions of years, with some rapid speciation events documented in certain circumstances.


What is speciation ?

the formation of species


Speciation that begins as members of a population occupy different ecological zones within the same geographical area is?

Sympatric speciation refers to the formation of two or more descendant species from a single ancestral species all occupying the same geographic location. Often cited examples of sympatric speciation are found in insects that become dependent on different host plants in the same area.

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