Biology A (Salters-Nuffield) A-Level
Ecosystem
What Ecosystem means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Ecosystem
Check what you remember
Read the wording for your board, then hide it and explain Ecosystem in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The community plus the non-living surroundings it interacts with, so energy flow and nutrient cycling are included.
Topics that use Ecosystem
- Topic 5: On the Wild Side (Pearson Edexcel A-Level)
Related terms
- Abiotic factors
- Abundance
- Allele frequency
- Allopatric speciation
- Anthropogenic causes of climate change
- ATP as universal energy currency
- Biomass units
- Biotic factors
Using Ecosystem in the exam
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