1) whats hormone a) produced by chemical b) sun light growth 2) inside hormone a) food and water b) auxin 3) critical light length affects a) stem b) roots c) flower 4) photoperiodism a) seasonal changes b) food 5) short-day plants are a) poinsettias b) lettuce 6) long day plants are a) lettuce b) rice 7) day-neutral plants a) rice b) trises

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