Lesson 73 of 84 · World Geography
⭐ 30 XP🗺️ Atlas OutpostDeserts: Hot and Cold
Deserts are unique ecosystems characterized by low precipitation and extreme temperature variations.
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Deserts are unique ecosystems characterized by low precipitation and extreme temperature variations. They can be classified into two main types: hot deserts, like the Sahara, where temperatures can soar above 100°F during the day, and cold deserts, like the Gobi, where winters can plunge below freezing. These environments challenge survival, leading to specialized flora and fauna adapted to arid conditions, such as cacti or the resilient fennec fox. Understanding these adaptations not only highlights the ingenuity of nature but also the impacts of climate on biodiversity.
Key Facts
The Sahara Desert is approximately 9.2 million square kilometers, making it the largest hot desert.
Cold deserts, like the Gobi, can experience temperature swings from -40°F in winter to over 100°F in summer.
Plants in deserts often have adaptations such as deep roots and water-storing tissues.
Check Your Understanding
Question 1
1 of 2What is the primary characteristic that defines a desert?
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Every label on the food in your kitchen says where it traveled from.
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