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 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.

The term “environment” refers to all elements ... all the physical and biotic conditions that surround the organism externally. (c) Physical environment refers to all abiotic factors or ...

E. Hutchinson argued that evolution is a play taking place on an ecological stage (1965), his point was that ecological interactions — between species and the living (biotic) and non-living ...

The questions in this quiz are suitable for GCSE biology students studying communities, biotic and abiotic factors affecting the abundance & distribution of organisms, competition in plants ...