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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.
Q. Alcohol consumption by diabetes patient? Intake of alcohol should be limited. It is high in calories, lacks essential nutrients and may therefore promote ketoacidosis, hyper
Modification of Food Starches Positive attributes of starches can be greatly improved and/or negative characteristics diminished by slight and relatively simple modifications.
Why are euglenas involved in polemics related to their taxonomic classification? Euglenas are included in taxonomic polemics because they tend to be classified sometimes as pro
PHYLUM MOLLUSCA Definition and Introduction Basically bilateral and protostomial eucoelomate eumetazoans whose soft body (L. Millis or molluscum= soft) is unsegmente
Q. What is Phytates? Phytates are widely distributed in seeds of vegetables, fruits and grains. Unrefined cereals and millets are the richest sources of phytates. Refined or
This is the amount of blood that is returned to the heart by the veins. This is influenced by various factors. Inspiration decreases the pressure in the central veins and thus inc
DIGESTIVE SYSTEM IN COCKROACH ALIMEN T A R Y CANAL 6-8 cm. long. Coiled, present from mouth to anus. Differentiated into 3 parts - 1. Foregut 2. M
Q. Enumerate the anatomic consequences of edentulism? The anatomic consequences of edentulism include the effect of edentulism on bone and soft tissues. Basal bone forms the de
1- Describe the function of enzymes in catalyzing biological reactions ? 2-Descride enzymes ' role in reducign activation energy?
Animals of the littoral zone Animals of this zone may be herbivores, carnivores or detritus feeders and are as diverse as plants. Many of them such as rotifers, protozoans, i
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