Evergreen trees have leaves that stay green all year long. Many evergreens have needles that remain on the tree through changes in the seasons, unlike broad leaf trees that lose their leaves in preparation for winter. How might this adaptation help evergreen trees survive in the taiga, a cold biome with long, dark winters?

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Explanation:

The leaves or needles of evergreen trees lose less water than other kinds of leaves. This means that they are better able to conserve water in  the taiga, a cold biome with long, dark winters.

These conifers possess adaptations that are able to help them survive the long, cold winters and short summers in a typical taiga biome since their needles contain very little sap, which also helps prevent them from freezing.