A population of frogs inhabits a lake. If the resource availability of the lake changes, the population may to use the resources that are available. As a result, the population would exhibit.

Adapt Evolution

Explanation:

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Resources in a lake can change due to climate changes. Changes in climate may affect the survival, growth and reproduction capabilities of frogs and other amphibians. Climate changes greatly influence food availability, predator-prey relationships and competitive interactions which can alter community structure.

Changes in lakes can include other factors such as UV-B radiation and contaminants. These factors are complex and are causing some amphibian population to decline or even extinct.

Hence, as a result the frog population could exhibit a decline in population.