
Concept explainers
To determine: The percentage of the plant flower in the given figure when the day length is 10 hours and the night length is 14 hours.
Introduction: Photoperiodism is the behavioral response shown by the organisms, especially plant species, to the length of the day or night. Each plant has its characteristic photoperiod that is very essential for its normal growth and reproduction.
To determine: The percentage of the plant flower in the given figure when the day length is 16 hours and the night length is 8 hours.
Introduction: Photoperiodism is the behavioral response shown by the organisms especially plant species to the length of the day or night. Each plant has its characteristic photoperiod that is very essential for its normal growth and reproduction.
To determine: The critical night length for the plant in the given figure.
Introduction: Photoperiodism is the behavioral response shown by the organisms especially plant species to the length of the day or night. Each plant has its characteristic photoperiod that is very essential for its normal growth and reproduction.

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Chapter 38 Solutions
EBK BIOLOGY
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