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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.
The allele that causes albinism (p) is recessive to the allele for normal pigmentation (P). A normal woman whose father is an albino marries an albino man whose parents are both no
Explain the Ethological Approach in Taxonomy The use of behavioural or ethoIogica1 characteristics in animals is relatively new, though extremely useful, particularly in the id
Explain Nutritional Support Management for gastric cancer? The 'dumping syndrome' can be greatly minimized or prevented by adhering strictly to an antidumping dict. In general,
parts of a typical flower? define its parts and internal parts completely? show complete colourful diagram?
The Halstead Tactual Performance Test This procedure used a version of the Seguin-Goddard Form board, but it is done blindfold. The subject's task is to place all the 10 blocks
need different types of information about fishes and their pictures
What is the difference between embryo and endosperm?
Q. Are nematodes triploblastic or diploblastic animals? Just like platyhelminthes, nematodes are triploblastics that is they present three germ layers (ectoderm, endoderm and m
Explain fontan operation and ross operation in heart dieases? Fontan Operation: The Fontan principle involves redirecting the whole systemic return into the lungs bypassing t
Azoles Systemic azole antifungals currently available in the US contain fluconazole (Diflucan, and others), itraconazole (Sporanox), voriconazole (Vfend) and ketoconazole (Nizo
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