Week 6 quiz.docx - Week 6 quiz The word"theory in theory...

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Week 6 quiz The word "theory" in theory of evolution is best replaced by
Which of the following traits may be acted on by natural selection?
What does natural selection result in? A population that is adapted to its current environment is the primary pressure on species to change over time natural selection Allopatric speciation is to geography as _________________ speciation is to genetic change
Two populations of crickets have stopped interbreeding over time, although they reside in the same geographic region. What is one possible explanation?
Which variable increases the likelihood of allopatric speciation taking place more quickly?

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