Read before you practise · 2 min
Read the Value of Ecosystem Services
Ecosystem services are benefits people receive from natural systems; some have been assigned economic estimates.
NSEJS · Ecosystem · 1 linked question · 100% coverage
Know this first
Living-system questions are solved by matching a structure or organism to its function, process and stated condition.
Structure · The part being namedFunction · What that part doesCondition · The situation that changes the answer
Study deeper: NCERT Science · Ecosystem
Read the cited estimate
In the Costanza et al. valuation used by this sample, soil formation accounts for about half of the total estimated value among the listed ecosystem services.
OlympIQ exam lens
- ✓Soil formation is an ecosystem service.
- ✓Use the valuation framework and year cited by the source.
OlympIQ trap
Ecosystem-service valuations depend on the particular study and should not be treated as universal market prices.
Ready to try the pattern?
100% coverage across the linked question.
Practise the linked questionSign in to practise — your XP, streak and analysis update as you solve.