deserts Flashcards
(20 cards)
What is a desert ecosystem?
A desert ecosystem is a biome characterized by low rainfall, extreme temperatures, and sparse vegetation.
True or False: Deserts are only hot.
False: Deserts can be cold, such as the Antarctic Desert.
Fill in the blank: The average annual precipitation in a desert is less than ___ inches.
10 inches
Name one adaptation of plants in desert ecosystems.
Plants in desert ecosystems often have deep roots, thick skins, or the ability to store water.
Which of the following is NOT a type of desert? a) Hot desert b) Cold desert c) Rainforest desert
c) Rainforest desert
What role do animals play in a desert ecosystem?
Animals help in pollination, seed dispersal, and maintaining the food web.
True or False: Cacti are the only plants found in desert ecosystems.
False: Many other plants, such as shrubs and grasses, also exist in deserts.
What is the primary reason for the arid conditions in deserts?
The primary reason is the high evaporation rate compared to precipitation.
Multiple Choice: Which animal is commonly found in desert ecosystems? a) Polar bear b) Camel c) Penguin
b) Camel
What is the significance of nocturnal behavior in desert animals?
Nocturnal behavior helps desert animals avoid extreme daytime temperatures.
What is one method to combat desertification?
Afforestation, which involves planting trees to restore vegetation.
True or False: Conservation agriculture can help preserve desert ecosystems.
True
Fill in the blank: The practice of __________ involves using water-saving irrigation techniques to reduce water wastage in deserts.
efficient irrigation
Which of the following is a key strategy in sustainable land management in desert areas? A) Overgrazing B) Crop rotation C) Urban expansion
B) Crop rotation
What role do indigenous practices play in desert preservation?
They often include traditional knowledge that promotes sustainable land use.
True or False: Deserts can be preserved solely through technological interventions.
False
What is the purpose of creating protected areas in deserts?
To conserve biodiversity and prevent habitat destruction.
Multiple Choice: Which of the following is NOT a method for desert preservation? A) Drip irrigation B) Deforestation C) Soil conservation
B) Deforestation
Short answer: Name one benefit of restoring desert ecosystems.
Increased biodiversity.
What is a major challenge in preserving deserts?
Climate change and its impact on water resources.
