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Population was defined by Clarke in 1954.
The term population refers to the total number of individuals of a sp. occupying a particular geographic aera at a given time.
A sp. may have a single population or many population inhabiting diff. regions.
Population education is necessory for students to know about -
1. Uncontrolled population leads to environmental pollution, depletion of natural resources extinction of species.
2. Benefits to biosphere.
3. Advantages of a small family names to human.
4. Relation of population to the standards of life.
5. Methods of slowing down the growth of human population.
Is transportation of gases in tracheophytes made through the vascular tissues? Carbon dioxide and oxygen are not transported by the xylem or phloem. These gases reach the cells
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defitionce of vitamin d
Explain the Analysis of Food Samples? Now, in this practical, we shall deal with the endogenous and exogeneous microorganisms which are present on the food as contaminants. We
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Name a system that accomplishes that necessity and explain how that system accomplishes that necessity.
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? 1. Cotyledon 2. Endosperm 3. Aleurone layer 4. Plum
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