How Was the Mechanism of Sympatric Speciation Among Hemp Nettles

question 16

Multiple Choice

How was the mechanism of sympatric speciation among hemp nettles in nature verified experimentally?

• A) By simply creating unique hybrids under laboratory conditions
• B) By producing hybrids that were 98% fertile under laboratory conditions
• C) By producing experimental hybrids that could reproduce successfully with both parent species
• D) By producing experimental hybrids that formed fertile offspring with the naturally occurring hybrid
• E) By creating hybrids that reproduced through the F ₄ generation before dying from hybrid inviability

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