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some form of isolating event must first happen to split one population in two that do not contact each other again until they will not or cannot interbreed anymore.

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Q: Required for a new species to form?
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Continue Learning about Natural Sciences

What does a new species form?

Evolution .


What are 3 ways new species form?

Cross-breeding occurs within the species.


What is The theory that most new species form when small populations became isolated?

The idea that new species form when isolated from the parent group is called genetic drift. The isolation can be as small as a few miles to thousands of miles.


What is the main way that a new species form?

By the theory of evolution, new species form through the process of natural selection. This process most often starts with a random mutation in the genome (a random gene suddenly changes or becomes a "mutation"). This mutation either helps, or hinders the new animal (or mutant if you will hehe). If it helps them survive better than the older species, then this new mutant species will become more abundant. If not, than the new species will die off. This process does not happen all at once though, it usually takes a generous amount of mutations and thousands of years for this to happen.


How long does it take for a species to form?

It takes a certain amount of time depending on the creature. You cannot tell how long or how short it can be. It could take a generation or a thousand generations. It all depends on the environment. The traits that species acquire are determined by what the environment selects. If the environment changes rapidly, then the species is going to evolve more quickly to fit the new environment, or in some cases, the environment changes too quickly for the species to evolve in which extinction can occur.