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Darwin while evolving the concept of natural selection laid emphasis on competition among individuals belonging to a species, that is intraspecific competition. Here the individuals compete for almost identical requirements from the environment. Competition between individuals belonging to different species, that is interspecific competition is also observed in nature. In the following subsection we shall discuss the essential differences between the two types of competition, and subsequently highlight the role of natural selection in evolving coadapted colnmunities of closely related species.
Conjugation – Protozoan Conjugation is characteristic of ciliates. The details vary from species to species. The general features can be observed in Paramecium sps. which has
The nitrogenase complex is extremely sensitive to inactivation by O2, so the enzyme must be protected from this reactive substance. During the root nodules of legumi
Water loss during excretion In terrestrial animals body water is also lost during excretion of nitrogenous wastes. A number of physiological adaptations have taken place to mi
Q. Explain Inborn Errors of Metabolism? Some of the disorders caused by inborn error of metabolism namely phenylketonuria, tyrosinemia, maple syrup urine disease, homocystinur
general characteristic of phylum protozoa
steps involved in glycolysis
Explain Extra Cardiac Conduit Fontan ? This can be done with or without cardipulmonary bypass. First step is to make a bi-directional Glenn shunt. The main pulmonary artery is
Explain about Adhesive tape of many varieties Adhesive tape of many varieties with backing materials coated with an adhesive to keep the dressing in place. The adhesive bandage
If you look up a world atlas you would notice that most of the earth's surface is covered by the waters of the oceans (about 71%). Beneath the water surface is a fascinating world
How is the circulatory system of birds characterized? Birds, as every vertebrate, have a closed circulatory system. The heart is same to the mammalian heart, having four chambe
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