<ul><li>An ecosystem is a network of biological and physical surroundings that includes a diverse blend of abiotic and biotic elements.</li><li>Essential components of an ecosystem include producers (such as plants), consumers (animals), decomposers, and biotic and abiotic environments.</li><li>The Earth's biotic system consists of diverse ecosystems, including forests, grasslands, deserts, and aquatic systems.</li><li>Each ecosystem has unique characteristics and supports a specific set of plant and animal species.</li></ul>

Biology of Ecosystems and Biodiversity

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