ekosysteemeiltä
Ecosystems are complex, interconnected systems consisting of living organisms and their physical environment. These environments include both biotic components, such as plants, animals, fungi, and microorganisms, and abiotic components like sunlight, water, soil, and climate. The interaction between these elements forms a functional unit where energy flows and nutrients are cycled. For example, a forest ecosystem includes trees, animals that inhabit the forest, insects, and the soil, air, and water that sustain them. Every organism within an ecosystem plays a role, contributing to the overall balance and health of the system. These roles can range from producers, like plants that convert sunlight into energy, to consumers that feed on other organisms, and decomposers that break down dead organic matter, returning nutrients to the soil. Ecosystems vary greatly in size and type, from small tide pools to vast oceans and sprawling rainforests. The stability and resilience of an ecosystem depend on the diversity of its species and the health of its environmental conditions. Human activities can significantly impact ecosystems, sometimes leading to disruption and degradation.