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#Question id: 4698


It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that

#Unit 11. Evolution and Behavior
  1. island forms and mainland forms descended from common ancestors.

  2. common environments are inhabited by the same organisms.

  3. the islands were originally part of the continent.

  4. the island forms and mainland forms are converging.