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A Species of Frog Is Found Separated into Many Subpopulations

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A species of frog is found separated into many subpopulations living in ponds that are surrounded by agricultural fields. Sometimes one frog subpopulation goes extinct because of disease or environmental stochasticity. Frogs from other subpopulations will occasionally move across fields to recolonize ponds where subpopulations have gone extinct. This is an example of


Definitions:

Unrealized Increase/Decrease

Refers to the increase or decrease in the value of an asset or investment that has not been sold.

Fair Value

An impartial estimate of the market value of an asset or liability, based on current market prices.

Available-for-Sale

A classification for financial assets that are not to be held to maturity or for trading purposes, allowing for changes in value to be recorded in other comprehensive income.

Unrealized Increase/Decrease

Unrealized increase/decrease refers to the changes in the value of investments that have not yet been sold and the gains or losses have not been 'realized' through a transaction.

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