This experiment is designed to study biotic/abiotic factors affecting seedling growth. Biotic factors are interactions between the living components of a community (i.e., predation, competition); ...

Abiotic factors are non-living chemical and physical elements in the environment, which affect individual organisms as well as ecosystems. Examples are UV, IR and visible light, radiation ...

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 ...