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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.
Explain the compound water? Water : Water is the most important compound in living cells, making up most of the bulk of living organisms. Our own bodies contain 40% - 60% wa
Amino acid sequence is also known as the primary structure of a protein/polypeptide; the series of amino acids in a protein/polypeptide controlled by the series of DNA bases.
How do chloroplasts multiply? Like mitochondria chloroplasts have their own DNA, RNA and ribosomes and they self-replicate through binary division.
some infomations about reproduction
Explain in detail about working of heart Heart has four chambers. Two upper chambers are called atria. Two muscular lower chambers are called ventricles. The right and left
Which of the following is not a type of mass movement that results from the force of gravity? A. Landslide B. Creep C. Deflation D. Mudflow
Conclusions drawn from the Monohybrid Crosses From the results of his monohybrid crosses, following conclusions were obtained :- 1 . Law of Unit or Paired Factors (Po
Sympatric speciation can be regarded as speciation where parent species gives rise to a daughter species without the individuals of a species being separated by space or territory.
(a) Name four examples of compounds which are classed as carbohydrate. (b) What elements are present in carbohydrates? (a) Sugars (glucose, fructose, maltose, sucro
Explain Properties related to protein-protein interactions? Properties related to protein-protein interactions include dough formation, one of the important functional properti
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