First, there is speciation (species-splitting or cladogenesis), caused by geographical isolation or some other mechanism.
先,因地理隔离或其它些机制导致物种形(物种分裂或系枝进化)。
First, there is speciation (species-splitting or cladogenesis), caused by geographical isolation or some other mechanism.
先,因地理隔离或其它些机制导致物种形(物种分裂或系枝进化)。
Polyploidy is a mechanism often attributed to causing some speciation events in sympatry.
多倍性常被当作引起在同地区并存的物种发物种形事件的种机制。
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