Aa Aa Aa Biogeochemical cycles describe pathways by which chemical elements move through both biotic (the biosphere) and abiotic compartments (the atmosphere, hydrosphere, and lithosphere ...

Abiotic close abioticNon-living elements of an ecosystem, such as climate, temperature, water, and soil type. factors are non-living environmental factors that can affect the organisms in ecosystems.

Abiotic Factors: Non-living elements of an ... Ask students to identify biotic and non-biotic elements of the environment outside the classroom and have a guess at the creatures that live there.

Earth's iron cycle is a very complex biogeochemical cycle that includes both biotic and abiotic components. In this article, we will illustrate the role that a group of single-celled ...