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Which among the following are influenced by photoperiod in an organism?
1. Breeding time
2. Migration
3. Hibernation
Select the correct answer using the code given below.
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Photoperiod refers to the time that a plant or animal is exposed to light in a 24-hour period. Light is used by organisms as a stimulus for activity. When duration of daylight reduces, animals go into hibernation. Photoperiod causes programming of life cycles, coordination of opening of buds of flowers in plants and migration in animals. Breeding time in most organisms is determined by photoperiod in such a way that offspring has greatest chance of survival. Hence, all statements are correct.
By: abhimanu admin ProfileResourcesReport error
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