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LIGHTAll of us know that the sun is the ultimate source of energy for all activities in our biosphere. The electromagnetic radiations from the sun supply energy which warms up the earth and the atmosphere to provide a favourable global temperature for the living organisms. In addition. light plays a variety of roles in the living world. It is essential for photosynthesis, the process by which light is converted into usable chemical energy. It is involved in the transmission of information, for instance, it helps plants and animals to programme their life cycles. coordinates the opening of buds and flowers, dropping of leaves and a variety of other physiological processes. Variation in theamount of light generally affects the local distribution of plants. In animals light regulates reproduction, hibernation and migration and of course makes vision possible. All these biological phenomena are readily influenced by variation in the intensity, and by seasonal or diurnal variations of light.
Which statement below about asexual reproduction is FALSE? a.With asexual reproduction, offspring are genetically identical to the parent. b.Asexual reproduction requires no
Define lipids 'lipids' defines substances as oils, fats and waxes which can be only characterized by a large array of properties. They are in general: - coming from plant
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How does a plasma membrane regulate movement of molecules into and out of a cell?
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What is the difference between asexual and sexual reproduction
Q. Show Measurement of mitral valve? Measurement of mitral valve and gradients across mitral valve are of importance in clinical decision making. Mitral valve area can be measu
#General characters of Aschelminthes
Water Stress - Responses of Plants to Stress Water stress in a plant can result from drought, excess salinity in the soil and very low or high temperatures. It has been found
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