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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.
name the sturcture formed when the male and female nuclei fuse during fertilisation.
From an ecological point of view, species richness alone has limited value. More meaningful measures use the number of different species in a given area (species richness) as well
Equipment : To maintain effective circulation and carry out functions of the lungs during an open heart operation the equipment should have: 1) Blood Pump 2) Oxygenator 3
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What do you understand by Open circulatory system? A circulatory system in which circulating fluid (blood) flows into vessels or tubes not connected to each other by small capi
"Diversity is good" is one of the axioms of conservation biology. However in absentia of historical information, why is noting higher diversity in a system NOT the best way to eval
Q. What is Tyrosinemia? There are two forms of hereditary tyrosinemia. They are tyrosinemia Type I and tyrosinemia Type II. Type I was thought to be due to a deficiency of para
DEMOGRAPH Y - Scientific study of vital & social statistics such as births, deaths, disease etc. of human population is called demography. It deals with - 1. Change
what is advantages and disadvantages of the pour plate method
What are the causes of obesity - Etiology? However simple the question may sound, the answer to it is not all that simple. We cannot deny that excess weight results from positi
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