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1) They enrich the soil with their excreta 2) Insects help in pollination and some birds and animals help in dispersal of fruits and seeds. 3) Burrowing animals like earthworm make soil porous to facilitate plant growth. 4) They provide food (meat, eggs, oil) fur, woo..

Mole Concept and Stoichiometry..

Rational and Irrational Numbers..

Introduction - Materials formed in one part of the body have to be taken up to other parts where they are needed or to be got rid of. This is an essential requirement of most animals. This function is performed by the body fluid..

Among the members of the animal kingdom, about 95% do not posses a backbone (or vertebral column) and hence are described as invertebrates. The remaining animals represent a group called chordates, which posses a solid supporting structure on the dorsal side of the body called n..

Relations Animation..

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Animal Kingdom..

Animal Nutrition..

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