Why nutrients must be recycled
Why nutrients must be recycled
A nutrient cycle is the movement of chemical elements between organisms and the abiotic environment. Matter is recycled in ecosystems, but energy flows through and is eventually lost as heat.
Step-by-step lessons on AQA A Level Biology Nutrient cycles (A-level only). Each one builds up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.