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Explain about the Serengeti Ecosystem?
The Serengeti ecosystem, one of the most stunning biological communities in the world, was devastated by the introduction of rinderpest from central Asia in the late 19th century. The cascading influences of lowered ungulate population sizes permanently changed the vegetation structure of east Africa, and may have made conditions more suitable for the invasion of tsetse fly vectors of sleeping sickness, further modifying the biological and human communities of the region. Even though these historical effects are still not totally worked out, it is clear that rinderpest that like the related measles virus is subject to extreme "boom and bust" dynamics, could not keep itself within the diverse community of wild ungulates in the Serengeti, but instead was maintained by stable populations of domestic cattle surrounding the wild herds. Along with the development and successful deployment of rinderpest vaccine in domestic cattle, the rinderpest epidemic has been brought within control and ungulate herds have risen to near historic levels, even though some community-level influences of disease may be permanent.
What is dry mass? When the biomasses are compared often the concept of dry mass is used. The dry mass is the entire (total) mass less the water mass of an individual. The total
Does RNA molecule have two polynucleotide chains like DNA? Only DNA has two polynucleotide chains. RNA is produced by just one polynucleotide chain. Nucleic Acid Review - Im
Which of the following is NOT produced by the hypothalamus? A) releasing hormones B) inhibiting hormones C) antidiuretic hormone D) oxytocin E) thyroid-stimulating h
Explain in detail about Male Reproductive System The male reproductive organ consists of the following: A pair of testes, held in scortum; produces spermatooa and testoster
We are told that every surface we touch is teeming with bacterial cells, and bacteria are found in the pools we swim in, the water we wash with, and on the hands of friends. Why ar
Avian (fowl cholera) Fowl cholera is a contagious septicaemic disease of almost all classes of fowl. The causal agent is Pasteurella multocida.Serotypes A:1 and A:3 are usually
Q. What is the difference between micronutrients and macro? The classification criterion of nutrients into micronutrients and macro has no relation to the size of the molecul
Chemical Stress - Mineral composition The living systems make use of several mineral ions that they might have encountered at the very origin or during evolution, particularly
who is the first person who saw the cell
Composition of oil gas is CH 4 = 25-30%; H 2 = 50-55%; CO = 10-12%; CO 2 = 3% It calorific value is 4500-5400 kcl/m 3 . It is used as laboratory gas. Oil gas is prepared b
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