Many fruits can be preserved by candying. The fruit is immersed in a highly concentrated sugar solution, and then the sugar is allowed to crystallize. How does the sugar preserve the fruit

By removal of water.

Explanation:

Sugar preserve the fruit by replacing some of the water in the fruit. This natural process preserves the fruit's original color, texture and shape by preventing remaining water of the fruit from leaving its cellular structures. Due to removal of water with the help of sugar from the fruit helps in preserving the fruits for long time period. The sugar helps in drying of the fruits so that's why we can say that sugar preserve the fruits.

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explanation:

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.