AN ECOSYSTEM IS A COMMUNITY OF LIVING ORGANISMS (POPULATIONS OF SPECIES).THE ORGANISMS INTERACT WITH ONE ANOTHER AND WITH THEIR NON-LIVING PHYSICAL AND CHEMICAL ENVIRONMENT. THE INTERACTIONS ARE SUCH AS TO PERPETUATE THE COMMUNITY AND TO REMAIN STABLE UNDER VARYING CONDITIONS.
A PUDDLE OF WATER, A STREAM, A CLUMP OF BUSHES, A THICK FOREST, OR A LARGE DESERT-ALL ARE ECOSYSTEMS.THE ECOSYSTEMS OF THIS PLANET ARE INTERCONNECTED AND INTERDEPENDENT.
THE RAIN FOREST ARE THE ECOSYSTEMS EXTREMELY RICH IN BIODIVERSITY
BIOTIC AND ABIOTIC COMPONENTS OF AN ECOSYSTEM: -
THE LIVING ORGANISMS OF AN ECOSYSTEM ARE CALLED BIOTIC COMPONENTS AND NON-LIVING CONDITIONS ARE THE ABIOTIC COMPONENTS. THE BIOTIC COMPONENTS INCLUDE PLANTS, ANIMALS AND MICRO-ORGANISMS.
THE ABIOTIC CONDITIONS OF TERRESTRIAL ECOSYSTEM INCLUDE WATER, AIR, SOIL, NUTRIENTS, MINERALS, SALINITY, AND ACIDITY LEVELS, ENERGY, SUNLIGHT, TEMPERATURE, WIND, RAINFALL, AND CLIMATE.THE ABIOTIC CONDITIONS BOTH SUPPORT AND LIMIT THE BIOTIC COMMUNITY.
IN AQUATIC ECOSYSTEMS, THE ABIOTIC FACTORS INCLUDE THE DEPTH, TURBIDITY, SALINITY, AND TEMPERATURE OF WATER, CHEMICAL NUTRIENTS, SUSPENDED SOLIDS, CURRENTS, AND THE TEXTURE OF THE BOTTOM (ROCK OR SLIT).
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