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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Definitions:

Renal Cortex

The outer portion of the kidney where initial filtration of blood takes place.

Urogenital Sinus

A part of the embryonic development stage which eventually forms parts of the urinary and genital tracts.

Uterine Horn

The pointed end of the uterus where it meets the fallopian tubes in many animals, playing a key role in the reproductive system.

Urinary Bladder

A muscular sac in the pelvic cavity that stores urine before it is excreted from the body.