* Tundra: Cold, dry climate with long, cold winters and short, cool summers. Average temperatures range from -34°C (-29°F) in January to 12°C (54°F) in July. Precipitation is low, averaging 10-25 cm (4-10 inches) per year.
* Tropical forest: Warm, humid climate with high temperatures and abundant rainfall throughout the year. Average temperatures range from 25°C (77°F) to 35°C (95°F). Precipitation is high, averaging 200-400 cm (80-160 inches) per year.
2. Vegetation
* Tundra: Low-growing plants, such as mosses, lichens, shrubs, and wildflowers. Trees are rare.
* Tropical forest: Tall trees, such as mahogany, ebony, and rosewood. The forest is also home to a variety of other plants, including palms, ferns, and vines.
3. Animals
* Tundra: Animals that are adapted to cold climates, such as polar bears, caribou, reindeer, and wolves.
* Tropical forest: Animals that are adapted to warm, humid climates, such as monkeys, gorillas, orangutans, and tigers.
4. Soil
* Tundra: Thin, frozen soil that is often covered in permafrost.
* Tropical forest: Deep, rich soil that is ideal for plant growth.
5. Human habitation
* Tundra: Sparsely populated by indigenous peoples who live a nomadic lifestyle.
* Tropical forest: Densely populated by humans who have cleared large areas of forest for agriculture and other development.
* Tundra: The sun can be seen for up to 24 hours a day during the summer solstice.
* Tropical forest: The sun is always high in the sky, and there is little variation in day length throughout the year.
* Tundra: The aurora borealis (northern lights) can be seen in the winter sky.
* Tropical forest: The aurora borealis cannot be seen.
* Tundra: The ground is often covered in snow and ice during the winter.
* Tropical forest: The ground is always warm and humid.
