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a. photoperiodism
b. phototropism
c gnastic response
d. cytokinins

2007-02-11 14:02:56 · 2 answers · asked by Tessy 1 in Science & Mathematics Biology

2 answers

definitely A.

2007-02-11 14:08:40 · answer #1 · answered by Anonymous · 0 0

A. Photoperiodism

2007-02-11 14:06:19 · answer #2 · answered by ecolink 7 · 0 0

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