10.3 Speciation HL BIO Notes

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Understanding:

1. A gene pool consists of all the genes and their different alleles, present in an interbreeding population

2. Evolution requires that allele frequencies change with time in populations

3. Reproductive isolation of populations can be temporal, behavioral or geographic

4. Speciation due to the divergence of isolated populations can be gradual

5. Speciation can occur abruptly

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