例句與造句

1. In fact, other scientists say the new study provides the best support to date for a long controversial theory of speciation.
2. Sewall Wright was the first to attach this significance to random drift and small, newly isolated populations with his shifting balance theory of speciation.
3. An early attempt by William Ernest Castle to unify the laws of Mendelian inheritance with Darwin's theory of speciation invoked the idea that species become distinct from one another as one species or the other acquires a novel Mendelian factor.
4. It's difficult to find theory of speciation in a sentence. 用theory of speciation造句挺難的