Author Question: A short-day plant will flower only when A) days are shorter than nights. B) days (Read 706 times)

xclash

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A short-day plant will flower only when
A) days are shorter than nights.
B) days are shorter than a certain critical value.
C) nights are shorter than a certain critical value.
D) nights are longer than a certain critical value.
E) days and nights are of equal length.



clippers!

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I chose D and got the answer, hope that helps.



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