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Answer:

When a long-term environmental change occurs, certain individuals in a population will be better adapted for the new environment than others. ... Over many generations, these favorable adaptations build up in a population. This may lead to speciation, which is the development of a new species.

Answer:

it is possible that when long-term enviornment changes  it can create new diferences in the worlds  for example, with tsunamis or hurican it might create new DNA with all the damage did.

Explanation:

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