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Darwin put fort the notion of the survival of the fittest. How do we define 'fittest'? The answer usually given is those who survive. So you can readily see that this is a circular agrument and doesn't really help us understand what really happens following natural selection quite clearly. The idea of fitness as a matter of survival will not do. Therefore in the course of the development of what we have earlier referred to as the modern synthesis the notion of fitness was related to the ability of the individual to maximise the number of progeny left in the next generation. In other words the notion of fitness was translated into reproductive success. Given the idea of fitness as being measurable in terms of reproductive success we can now go back to basic tenets of Darwinism. The first of the five observations mentioned therein was the tendency on the part of living organisms to reproduce: In an exponential manner. We noted that the consequence of this is competition for available resources which results in "the survival of the fittest" Clearly, therefore. in3terms of reproductive ability nature is truly prodigal.
Define Vapor-pressure lowering and Osmotic pressure? 1. Vapor-pressure lowering: the decrease in the vapor pressure of a solution containing nonvolatile solutes, compared to th
development of chick
Thus, the objectives of the nutritional care process should include the following points: 1. Restoration of good nutritional status with dietary modifications and counseling.
Q. In 1665 Robert Hooke, an English scientist, published his book Micrographia, in which he explained that pieces of cork viewed under the microscope presented small cavities simil
Q. How is heart contraction triggered? Heart contraction is independent from neuronal stimulus although it can be modulated by the autonomous nervous system in the heart there
pls explan 2 puc lesson
Explain the Primary Treatment for Managing Food Allergies? The primary treatment for managing food allergies is eliminating the offending food or foods. In fact, non-pharmacolo
How Inadequate Breast Milk cause protein energy malnutrition? Though prolonged breastfeeding of children is the rule in US, the amount of breast milk secreted in poor Indian mo
Question 1 Explain pharmacokinetic parameters observed in plasma concentration time curve Question 2 What is Gas Chromatography? Mention the quantitative applications of gas
Q Comparing toxicity and the need for dilution in water how different are the uricotelic and ureotelic excretions? What are some examples of animals that present these respective t
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