Tag: permanent

  • Soil as Ecological Factor

    Soil as Ecological Factor

    Introduction Soil consists of weathered layer of Earth’s crust with products of decay of living organisms intermingled. In soil, thus, abiotic & biotic components are intimate. Soil is considered to be chief organizing centre for land ecosystems. Pedosphere: Outermost layer of earth that is composed of soil & subject to its formation. Pedogenesis: Process of…

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  • Introduction to Parasitology (Related Terminology)

    Introduction to Parasitology (Related Terminology)

    Parasitology Parasitology is the study of parasites and their relationship with their host. Parasitism Parasitism is a type of symbiotic relationship between two heterospecific organisms in which one organism called the parasite is metabolically dependent on the other called the host. The parasite benefits at the expense of the host and is also usually smaller…

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