Wilson and Simberloff removed all the arthropods from mangrove islets in Florida and measured recolonization. They discovered that…   a. species turnover rate was high b. species richness was lowest on islets closest to the mainland c. species composition on islets was the same as the original species composition d. species richness of islets did not reach equilibrium e. species richness on islets was the same as the number of species originally present

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