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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
Meteorological Factors and Air Pollution Air pollution levels in a region are affected by wind, location, topography, precipitation and temperature inversions. Wind can carry
Q. What is the typical conformation of the age pyramids of underdeveloped countries? The age pyramids of the peripheral countries or the underdeveloped countries have character
How is excretion done in fishes? Fishes have a pair of kidneys that filtrate the blood. Bony fishes excrete nitrogen as ammonia, NH 3 , (they are ammoniotelic) and cartilagino
Northern blot is a technique for analyzing mixtures of RNA by transfer of size-separated RNA fragments to a synthetic membrane, the presence and rough size of one particular type
Q. What are the three kinds of respiration in which the circulatory system transports gases? The circulatory system has an important role in branchial respiration, cutaneous re
#questiHow do the non parasitic lampreys interact with other members of their ecosystem in comparison to their parasitic cousinson..
Effect on Water Bodies - Dissolved Oxygen (DO) Most aquatic, organisms respire with oxygen dissolved in water. The quantity of dissolved oxygen in a unit volume of aerated wa
Q. Pathology of mitral regurgitation? During left ventricular systole as the pressure rises in left ventricle, blood is pumped simultaneously both into aorta and left atrium. T
What are the best known representatives of the platyhelminth phylum? The most popular representatives of the platyhelminthes are worms that cause human diseases, like taenia an
Medical Management Trealment of choice is cephalosporin which is given interavenously, alternatively can be given. In case of increased intra cranial pressure mannitol and o
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