The model of island biogeography predicts that species richness will increase with decreasing distance from a species source pool. Which do you think would be considered the two most important source pools for a particular island? Select two options.

_____ A small, distant island.
_____ A nearby island undergoing primary succession.
_____ The closest mainland area.
_____ A nearby, large island.
_____ A distant, large island with similar habitats.


_____ A small, distant island.
_____ A nearby island undergoing primary succession.
__X__ The closest mainland area.
__X__ A nearby, large island.
_____ A distant, large island with similar habitats.

Biology & Microbiology

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