2005 was also a standout year for researchers studying the emergence of new species, or speciation.
2005年也是研究新物种出现，或称物种形成，的科学家们作出杰出工作的一年。
Speciation may also be induced artificially, through animal husbandry or laboratory experiments.
物种形成也可以通过动物饲养或实验室人工诱导。
Wide hybridization plays an important role in plant species evolution, and one that often leads to new speciation, either through polyploidization or at the diploid level.
远源杂交在植物物种进化上起着重要作用，往往是通过多倍体化或在二倍体水平上形成新物种。
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