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Water loss during excretion
In terrestrial animals body water is also lost during excretion of nitrogenous wastes. A number of physiological adaptations have taken place to minimise the loss of water associated with this phenomena. You have learnt in the previous Unit that among terrestrial invertebrates, insects are highly effective in conserving water.
In terrestrial vertebrates, kidney is the chief organ of osmoregulation and excretion. The loop of Henle is the specialised part of the nephron which produces hyperosmotic urine. Amphibians and reptiles which are unable to produce a hyperosmotic urine, as an adaptive consequence, cease urine production entirely during the period of osmotic stress.
Supply of Animals: Lab animals must be obtained from accredited dealers and by accredited dealers, we mean suppliers in the business of supplying animals for lab use, and not from
Dominance - Synthetic Characters It is a characteristic of vegetation which expresses the predominating influences of one or more species in a stand so that the population of
Chamaephytes - Classes of Life Form The perennating buds and organs are borne on shoots close to but just above the ground. The buds receive protection from fallen leaves and
Explain about the Torbed Dryer? On the other hand, is a variation of the fluidized bed dryer. This is designed for use with particulate foods. Torbed dryers are used to dry haz
What is linkage? Two genes are assumed to be under linkage, or linked, when they reside in the same chromosome. For instance, the research of the human genome discovered tha
Stratification of Vegetation - Qualitative Characters Stratification of vegetation is another important feature of plant communities. There are different vertical strata in di
Q. How does biological diversity relate to the characteristics of the abiotic factors of an ecosystem? The ease of use of abiotic factors like light, mineral salts, moisture, h
PLASM A - It is slightly alkaline non-living intercellular substance which constitutes about 60% part of the blood. It is a pale yellow but transparent and clear fluid.
Determine some assessment measures of Zinc? Measurement of zinc in plasma: This is the most common method. Fasting concentrations of less than 70 μg/litre suggests deficie
Some drugs bind extensively to plasma proteins (Warfarin binds 99%) while others have virtually no binding. Extraction depends on the type of drug - there are dissimilar standar
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