Exploring Desert Ecosystems

What is a desert?

• A desert is a wetland with abundant rainfall and lush vegetation.

• A desert is a dry, barren area with very little precipitation and sparse vegetation.

• A desert is a mountainous region with heavy snowfall.

• A desert is a tropical area with high humidity and dense forests.

What are the two main types of deserts?

• Tropical deserts and temperate deserts

• Arid deserts and semi-arid deserts

• Savanna deserts and coastal deserts

• Hot deserts and cold deserts

How much annual rainfall does a cold desert receive?

• Over 500 mm (20 inches) annually.

• Less than 250 mm (10 inches) annually.

• Between 250 mm and 500 mm (10 to 20 inches) annually.

• More than 1000 mm (40 inches) annually.

What is another name for a cold desert?

• tundra

• arid region

• polar desert

• savanna

What type of climate do cold deserts have?

• Cold deserts are characterized by a warm climate with minimal temperature changes.

• Cold deserts have a tropical climate with high humidity.

• Cold deserts have a cold climate with low precipitation and significant temperature variations.

• Cold deserts experience heavy rainfall throughout the year.

What defines a hot desert?

• Frequent snowfall and cold winds

• Consistent humidity and lush vegetation

• High rainfall and low temperatures

• low rainfall, high temperatures, and arid conditions.

What is a characteristic feature of vegetation in deserts?

• Drought-resistant plants with adaptations for water conservation.

• Flowers that bloom year-round

• Trees with large leaves for shade

• Plants that thrive in high humidity

What is meant by 'moisture deficit' in drylands?

• Moisture deficit is the difference between available soil moisture and the moisture required for plant growth in drylands.

• Moisture deficit is the amount of water lost through evaporation in drylands.

• Moisture deficit is the excess moisture in the soil that prevents plant growth.

• Moisture deficit refers to the total amount of rainfall in drylands.

How do cold deserts differ from hot deserts in terms of temperature?

• Cold deserts have lower temperatures and can freeze in winter

• Cold deserts are always warmer than hot deserts.

• Cold deserts have higher humidity than hot deserts.

• Hot deserts have freezing temperatures in winter.

What types of plants are typically found in deserts?

• Cacti, succulents, and drought-resistant shrubs.

• Aquatic plants, such as algae and seaweed.

• Ferns, mosses, and water lilies.

• Tropical trees, orchids, and ferns.