Scientists have found that the existing populations of a certain species of amphibian are small in number, lacking in genetic diversity, and separated from each other by wide areas of dry land. Which of the following human actions is most likely to improve the long-term survival of the amphibians?

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If the amphibians are separated from each other, building habitat between the isolated populations can promote gene flow. This will result in increased genetic diversity, which contributes to the long-term survival of species.

Cloning individuals will reduce genetic diversity and does not reduce predation.

Reducing the population does not address the issue of limited resources.

Controlling flooding may be detrimental since it will further separate populations by drying the land further.