Question

define photoperiod in 40-50 words ( only the term photoperiod, NOT photoperiodism)
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Answer 1

Explanation:

It is the duration of daylight that influences plant sand other organisms in their growth, reproduction, and maturation.

Photoperiodism is the physiological reaction of organisms to the length of night or a dark period. It occurs in plants and animals. Photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods.