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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.
Behavioural Adjustments When faced with a sudden temperature change, most animals make behavioural responses that enable them to avoid extreme or lethal conditions. Among the
what is welfare in biology
Formation of cocoon in earthworm: In earthworm segments from 14 to 17 are swollen. Skin on these segments is thick and glandular. This is called clitellum. When ovaries ma
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locomotary organ in mollusca
Define Influence of Polyphenols on Proteins? You know that tannins are considered as anti-nutritional because their presence is usually accompanied by a reduced protein digesti
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