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Populations evolve mainly in two ways: By natural selection and genetic drift

Natural selection is the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.

Genetic drift is random changes in the frequency of alleles in a gene pool, usually of small populations.

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Q: How do populations evolve?
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What different Stones are in Pokemon Heartgold and Soulsilver and how are they used?

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Does gastrodon evolve into anything and how do you evolve it?

Gastrodon doesn't evolve.


What Pokemon does sun stone evolve?

Five different Pokemon evolve using a Sun Stone. Gloom will evolve into Bellossom. Sunkern will evolve into Sunflora. Cottonee will evolve into Whimsicott. Petilil will evolve into Lilligant. Helioptile will evolve into Heliolisk.


Does audino evolve?

No, it does not evolve


When does giraffirig evolve?

it does not evolve