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Q What are the major classes into which the phylum is divided? What are the few examples of each and in which form (polyp or medusae) are they found?
Coelenterates are divided into three major classes: hydrozoans, anthozoans and scyphozoans. In hydrozoans the polypoid form predominates and examples are by-the-wind- sailors, hydras and Obelia. In scyphozoans the major phase is the medusoid and the best known instance is the common jellyfish (Aurelia). In anthozoans there is only the polypoid form and sea anemones and corals are notable in this group.
Define tracheal system in details. Respiratory system found in insects and some spiders where air passes directly to the tissues through a series of tubules. Since oxygen tran
Explain Syndrome X as a Effect of Obesity? People with intra-abdominal obesity with high waist- to- hip ratio are more prone to develop the metabolic syndrome X. This is charac
Calculate Temperature for Survival and Growth of Microorganisms? Survival and growth of microorganisms is also affected by the temperature. According to their temperature requi
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Q. Define Mushroom Poisoning? Mushroom poisoning is caused by the consumption of raw or cooked fruiting bodies (mushrooms, toadstools) of a number of species of higher fungl.
Discuss about the Halstead Reitan battery The Halstead Reitan battery continues to be widely used as a clinical and research procedure. Numerous investigators use it in their r
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