Glucose

Ethanol

According to the _____ model, evolution occurs in spurts; species evolve relatively rapidly then rem...

The different finch species found on the GalÃ¡pagos Islands probably arose as a result of _____.

The appearance of an evolutionary novelty promotes _____.

Mass extinctions create conditions that promote _____.

_____ is rapid speciation under conditions in which there is little competition.

Feathers either play a role, or may have played a role, in _____.

True or false? A flood that separates a population of frogs onto opposite sides of a lake is an exam...

Which of the following statements about reinforcement is true?