Which of the following ecosystems has very low temperatures and frozen soil?
Tundra
The correct answer is Tundra.
Tundra ecosystems are characterized by extremely low temperatures and permafrost, which is permanently frozen soil. This harsh climate limits the types of plants and animals that can survive there. Let's look at why the other options are incorrect:
- Grassland: Grasslands experience a wider range of temperatures, and while they can be cold in winter, the soil is not permanently frozen.
- Desert: Deserts are characterized by extremely low precipitation, not necessarily low temperatures. While some deserts can be cold at night, the soil is not typically permanently frozen.
- Tropical Rainforest: Tropical rainforests are known for their consistently warm and humid climate, with no risk of permanently frozen soil.
Therefore, the unique combination of very low temperatures and permanently frozen soil (permafrost) definitively identifies the tundra as the correct answer.
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