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| 1. |
Write a short note on:- (a) magnification of natural resources (b) on food web |
| Answer» Natural resources\xa0can be defined as the\xa0resources\xa0that exist (on the planet) independent of human actions. ... Common examples of\xa0natural resources\xa0include air, sunlight, water, soil, stone, plants, animals, and fossil fuels. Any\xa0natural\xa0substance that humans use can be considered a\xa0natural resource. Oil, coal,\xa0natural\xa0gas, metals, stone and sand are\xa0natural resources. Other\xa0natural resources\xa0are air, sunlight, soil and water. Animals, birds, fish and plants are\xa0natural resources\xa0as well.A\xa0food web\xa0consists of all the\xa0food\xa0chains in a single ecosystem. Each living thing in an ecosystem is part of multiple\xa0food\xa0chains. Each\xa0food chain\xa0is one possible path that energy and nutrients may take as they move through the ecosystem.\xa0Food web\xa0is an\xa0important\xa0conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the dynamics of energy transfer in an ecosystem. | |