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- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/39%3A_Sensory_Systems_in_Plants/39.01%3A_Responses_to_Light/39.1.02%3A_PhotoperiodismMany angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and nig...Many angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and night as the season progresses. The phenomenon is called photoperiodism. It helps promote cross pollination.
- https://bio.libretexts.org/Courses/Norco_College/BIO_5%3A_General_Botany_(Friedrich_Finnern)/09%3A_Environmental_Responses/9.03%3A_PhotoperiodismMany angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and nig...Many angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and night as the season progresses. The phenomenon is called photoperiodism. It helps promote cross pollination.
- https://bio.libretexts.org/Courses/University_of_California_Davis/PLS_002%3A_Botany_and_physiology_of_cultivated_plants/16%3A_Environmental_plant_biology/16.01%3A_Environmental_Responses/16.1.03%3A_PhotoperiodismMany angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and nig...Many angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and night as the season progresses. The phenomenon is called photoperiodism. It helps promote cross pollination.
- https://bio.libretexts.org/Bookshelves/Botany/Botany_(Ha_Morrow_and_Algiers)/04%3A_Plant_Physiology_and_Regulation/4.02%3A_Environmental_Responses/4.2.03%3A_PhotoperiodismMany angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and nig...Many angiosperms flower at about the same time every year. This occurs even though they may have started growing at different times. Their flowering is a response to the changing length of day and night as the season progresses. The phenomenon is called photoperiodism. It helps promote cross pollination.
