Biodiversity for Sustenance of Mankind

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Biodiversity consists of various types of plants and animals arranged systematically to make a complete food chain. It supports human life by providing food, clothing, shelter, medicines, and other na…

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Human beings depend on air, water, land, forests, plants, and animals for survival. These natural resources satisfy basic needs such as food, clothing, and shelter, so biodiversity directly supports l…

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Primary producers are plants and algae at the first level of the food chain. They use light energy to convert carbon dioxide and water into carbohydrates and other life-supporting molecules through ph…

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Photosynthesis is the process in which plants and algae use light energy to convert carbon dioxide and water into carbohydrates. This process produces the food that supports the rest of the food chain…

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Primary consumers are plant-eating animals, also called herbivores. Examples include insects, mice, and goat. They occupy the second level of the food chain.

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Secondary consumers are animals that feed on primary consumers. They are carnivores such as owl and lion and occupy the third level of the food chain.

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Human beings are called omnivores because they eat both plant-based food and animal-based food. This means they are both herbivores and carnivores in their feeding habits.

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Decomposers are microscopic organisms and bacteria that feed on detritus or decaying organic matter from all levels of the food chain. They recycle mineral nutrients back into the ecosystem and comple…