Material Cycles — Edexcel Combined Science 1SC0 | GradeGen
Edexcel GCSE Combined Science · 1SC0
Material Cycles
What you need to know
Describe the distinct biological and physical pathways by which different materials continuously cycle through the abiotic and biotic components of an ecosystem.
Explain the ecological importance of the carbon cycle, detailing the main processes involved and highlighting the critical role of microorganisms acting as decomposers.
Explain the importance and key stages of the water cycle, including human technological interventions for producing potable water in drought-stricken areas via desalination.
Explain the various mechanisms by which essential nitrates are made available for plant cellular uptake, detailing the use of agricultural fertilisers, crop rotation practices, and the fundamental role of bacteria in the nitrogen cycle.
