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What is speciation?
The Speciation is the process by which different species emerge from a common ancestor species. The Speciation generally begins when populations of the same species become geographically isolated, that is when they are separated by some physical barrier that disallows crossing between individuals from one population and individuals of another population.
A Group that for a long time is kept under geographical isolation tends to accumulate different phenotypical characteristics from each other by means of genetic variability (mutations and recombination) and natural selection and when those differences reach a point that makes the crossing of individuals of one group with individuals of the other group not possible or the generation of fertile offspring no longer happens it is said that speciation has occurred.
Metazoa In the two kingdom classification, the unicellular 'animals' used to be clubbed together under a single phylum Protozoa that constituted sub-kingdom - Protozoa. The re
Hi,I am a graduating student from my course BS in Biology major in Zoology. I was wondering if you guys have any great idea of a good thesis title?
SPINAL NERVES 31 Pairs. Mixed type. Total weight 150 gms. At the base of origin of spinal nerves gland of swammardon or calcarious ganglion is present. Composed of m
Explain the Meaning of Transfer of Culture Transfer of culture can be done from one liquid media to another liquid media or from liquid to solid media or vice versa. The steps
Rotential complications of post removal -Fracture of the tooth , -leaving the tooth unrestorable , or restored with fair prognosis -root perforation , -post breakage, and -
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Reaction specificity Some enzymes catalyze only one reaction acting on a specific substrate. Example: urease and catalase acts only on urea and hydrogen peroxide,
Others Factors Affecting Occupational Health The list of factors which affect the occupational health and that need standard organising, scrutiny, inspection, surveillance and
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