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Explain the work of Linnaeus in animal Taxonomy?
In 18th century, the work of Linnaeus and his followers (Haartman, 1751, 1764, Kolreuter, 1761-66) helped systematic to advance further. Linnaeus-was first to introduce the hierarchical system both in animal and plant kingdom. He followed four categories (class, order, genus and species) for the animal world.
He also used the name Mammalla instead of Quadrupeda in 1758. He presented the first character-based classification which serves as basis for the arrangement of specimens in the collections and the binomial nomenclature for information storage and retrieval system for the great bulk of biological data. He was called "Father of 'taxonomy"
The criticism and improvements of the Linnean system continued but the first serious attempt to improve it was made by Lamarck. He divided the animal kingdom into three section on the basis of their mental capacities. His division of animals into four major types was-vertebrates, molluscs, arthropods and radiates.
Chemical energy of matter : As is obvious from the above account living cells obtain energy by breaking C-C and C-H bonds of organic matter under the process of catabol
Explain the Marasmus - protein energy malnutrition? Marasmus, the other end of the same spectrum as kwashiorkor, is common in children below the age of 2 years. The characteris
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What is bicuspid aortic? Bicuspid aortic valve is the most common form of CHD seen in adults. Isolated bicuspid aortic valves may be stenotic or non-stenotic to start with. T
Q. Which is the kingdom of the parasites that cause malaria and Chagas' disease? Those maladies are caused by the protozoans, beings of the kingdom Protista. Q. What is the
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Transfer RNA (tRNA) molecules play an very significant role in protein synthesis. Each tRNA becomes covalently bonded to a particular amino acid to create aminoacyl- t
Protoplasmic - Level of body organization Organisms which are made of just one cell are the simplest and the most primitive creatures called unicellular organisms. Their level
Inspiration decreases the pressure in the central veins and thus increases the pressure gradient between the peripheral and central veins thus augmenting venous return. Skeletal mu
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