Conduction and respiration process.
It's too cold, it's dry and its dark for some period during the year -- no sunrises.
In general, green plants photosynthesize during the day or when light is on the leaves, and respire at night, or in the dark. As its name implies, photosynthesis is a light dependent process.
Short day plants require uninterrupted darkness to initiate flowering. If they receive flashes of light during their dark period, this can interrupt the critical dark period and prevent flowering from occurring. The light exposure can reset their internal biological clock, causing confusion and delaying the flowering process.
Plants respire durning a dark cycle. They release carbon dioxide.
Yes, plants do need a period of darkness or rest from light in order to thrive. This is because they undergo important processes like respiration and growth during the dark period, which are essential for their overall health and development.
Photosynthesis mainly occurs during the daylight hours when there is light available for plants to use in the process. Therefore, photosynthesis does not take place during the nighttime when it is dark.
It was during the Renaissance period.
Plants droop at night because they undergo a process called nyctinasty, where they respond to the lack of sunlight by closing their leaves or flowers. This helps them conserve energy and protect themselves during the dark hours.
Dark respiration refers to the process by which plants release carbon dioxide through cellular respiration during the night, in the absence of light. This process involves breaking down stored carbohydrates to generate energy for cellular functions when photosynthesis is not occurring.
The period of daylight, specific in length for any given species, that appears to initiate flowering in *long-day plants or inhibit flowering in *short-day plants. In actual fact long-day plants will not flower if the dark period exceeds a certain maximum and conversely short-day plants will not flower unless the dark period exceeds a certain minimum. These periods are termed critical dark periods and must be continuous to have effect (see night-break effect ).
The blood from your period should be dark, not bright, red because it is "old" blood that the uterus sheds. It is also normal to see clots or lumps of blood during your period.
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