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2 answers

mutation, polyploidization, evolution by natural selection, genetic drift

2007-03-04 06:40:39 · answer #1 · answered by ivorytowerboy 5 · 0 0

Mutation, mutating genes

Creation, human's creating new species

God, God deciding to have more species

2007-02-28 08:29:51 · answer #2 · answered by Anonymous · 0 1

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