All organisms in an ecosystem are interconnected, and any imbalance in this complex relationship can have irreversible ...

New research has demonstrated the powerful impacts the reintroduction of predators can have on an ecosystem. The presence of ...

Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance ...

Producers Green plants - they make glucose during photosynthesis. Primary consumers Usually eat plant material - they are herbivores. For example rabbits, caterpillars, cows and sheep. Secondary ...

Secondary production of species in multi-species assemblages can be used to quantify bottom-up linkages with flow webs, top-down linkages with ingestion/production webs and trophic position ...

The questions in this quiz are suitable for GCSE biology students studying trophic levels, pyramids of biomass, and transfer of biomass. If you struggled with the quiz, don't panic - we've got you!