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Author Question: Among known plant species, which of these have been the two most commonly occurr (Read 1013 times)

j_sun

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on: Jul 11, 2013
Among known plant species, which of these have been the two most commonly occurring phenomena that have led to the origin of new species?
1.    allopatric speciation
2.    sympatric speciation
3.    sexual selection
4.    polyploidy
A) 1 and 3
B) 1 and 4
C) 2 and 3
D) 2 and 4


coco

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Reply #1 on: Jul 12, 2013
Hey again :D

I'm guessing it's D. It makes sense.


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j_sun

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Reply #2 on: Aug 31, 2013
Sick :D Thanks


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