This film explains the difference between biotic and abiotic, terrestrial ... I can explore relationships between living things, their habitats and their life cycles. This builds on key stage ...

The biotic parts of the ecosystem, which include bacteria, flora and fauna, have a complex relationship with the abiotic components - changing one will lead to a change in the other.

A. It is the sum of biotic and abiotic elements. B. It is based on the4 interactive and functional relationship between and biotic and abiotic C. It always tens to maintain ecological balance.