Some arctic tundra ecosystems receive as little precipitation as deserts but have much more dense vegetation. what climatic factor might explain this difference? what climatic factor might explain this difference? tundra plants are better adapted to dry conditions than desert plants. in addition to rain, tundra also receives water in the form of snow. tundra is much warmer than deserts, so less water evaporates during the growing season and the tundra stays more moist. tundra is much cooler than deserts, so less water evaporates during the growing season and the tundra stays more moist.

Tundra is much cooler than deserts, so less water evaporates during the growing season and the tundra stays more moist.

The tundra is a very frozen or cold community. Here the most of the time period is cold and some summer time, in fact there is no summer climate in the area of tundra.

The water is not vaporising here because some of the year the tundra is frozen and during the very short ''summer'', it unfreezes, so it becomes all really mucky, and that permits the plants to grow there.

It is the region where the tree development is prevented by low temperatures and little development seasons.

There are two chief types of tundra, the arctic and alpine tundra. These two tundras are home to related kinds of small bushes, grasses and mosses.

Therefore, option D is correct.

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The correct answer is - Tundra is much cooler than deserts, so less water evaporates during the growing season and the tundra stays more moist.

The tundra is a very cold biome. In fact, most of the year is winter, and there is only a short period of time when it is summer, and that is not really a summer in the true sense of the word, as it is relatively cold and fresh.

Since for most of the year the tundra is frozen, the water is not evaporating, and during the very short ''summer'', it defrosts, so it becomes all very marshy, and that allows the plants to grow there.

Also, because the summer so short and relatively cold, the evaporation of the water is minimal, so most of the water just frozen again in the winter.

iii. and iv. only is the right answer