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Ventilation of Tracheal System - Diffusion
Gaseous exchange due to diffusion generally takes care of the oxygen needs of most small insects. Similarly fairly large but inactive insects (e.g., some large caterpillars) do not actively ventilate the system. Diffusion alone is adequate provided the spiracles are kept open permanently. The same process accounts for elimination of carbon dioxide.
what is the population for percentage of people being overweight
Levels of organization of Matter- Metazoa The smallest structural units of all matter are subatomic particles, mainly electrons, protons and neutrons. The next larger units a
why is it necessary to classify living organisms ? what are the advantages of classifying organisms?
Stored Metabolites - Seed and Fruit In a large majority of seeds food is stored in the cells of the endosperm. In coconut, wheat and castor bean for example, it is the endospe
State the ways in which (a) all plant cells, (b) some plant cells vary from animal cells. (a) All plant cells have a cellulose cell wall. (b) Some plant c
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High energy fixation - Nitrogen Fixation Through cosmic radiations, lightning, volcanic activity and meteorite trails which provide the high energy needed to combine atmospher
Question 1 Write a short note on the following Impactors Land fills Bio stimulation Green house effects Question 2 What is bioremediation? Give an account o
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