What's an example of a grad-school level question?
According to the fossil record, when did episodes of rapid speciation commonly take place?
Vad är ett exempel på en grad-school nivå fråga?
What is an example of a grad-school level question?
Enligt fossilens redogörelser, när ägde episoder av snabb speciation vanligtvis rum?
According to fossil accounts, when did episodes of rapid speciation usually take place?