Which of the following statements about species found in oceanic islands is true?
a. they tend to be organisms with little ability to disperse over long distances, such as frogs and snakes.
b. they tend to be organisms with very large body size such as ostriches and elephants.
c. they tend to be similar to species from continental islands regardless of where those islands are located
d. they tend to be similar to species from other oceanic islands regardless of where those islands are located e. they tend to be similar to species from the closest mainland.

The correct answer is e. They tend to be similar to species from the closest mainland.

Explanation:

The species that live in the oceanic islands are more likely to be similar to the closest mainland because the chances of migration of species from the closest mainland are highest that from other areas that are very distant from the island.

The best example of this is seen in the Galapagos island which is 600 miles from South America. South America is nearest to Galapagos island than the African continent. Therefore the species found in the Galapagos island are more related to species found in lands of south America.

Therefore the correct answer is e. They tend to be similar to species from the closest mainland.

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