Environment & Ecology · Ecology
The resource-ratio hypothesis (R*) of competitive coexistence of species proposed by David Tilman postulates that:
- 1the ratio between resource availability and resource use is constant between competing species.
- 2species abundances are determined by the ratios of limiting resources for each species.
- 3shared resources are equally limiting for each competing species.
- 4coexisting species are limited by different resources in the shared resource set.✓
Correct answer
coexisting species are limited by different resources in the shared resource set.
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