Plants and animals have evolved to respond to changes in daylight hours through a process called photoperiodism. This means they are able to detect the length of daylight and adjust their behaviors accordingly.
Plants often use changes in daylight as a cue for important life processes such as flowering, seed germination, and growth. For example, some plants require specific day lengths to flower, while others may use daylight as a signal to prepare for the changing seasons.
Animals also respond to changes in daylight hours by adjusting their behaviors and biological processes. For instance, many animals use daylight as a cue for migration, hibernation, mating, and other seasonal activities. This ability to adapt to changes in daylight hours is crucial for their survival and reproductive success.