Desert and Grassland Ecosystems

The video tutorial explores terrestrial ecosystems, focusing on how climate influences the formation of biomes such as grasslands, forests, and deserts. It discusses the role of climate factors like temperature, precipitation, and wind in shaping these ecosystems. The tutorial also delves into the characteristics of different biomes, including tropical, temperate, and cold variations of grasslands, forests, and deserts, highlighting their unique flora and fauna adaptations.

What is the primary factor that determines terrestrial ecosystems?

• Human activity

• Altitude

• Climate

• Soil type

Which of the following plays a major role in distributing heat and moisture in the atmosphere?

• Volcanoes

• Winds

• Mountains

• Rivers

What are biomes primarily determined by?

• Animal species

• Climate conditions

• Human population

• Soil composition

Which type of grassland is characterized by warm temperatures year-round and alternating wet and dry seasons?

• Temperate grassland

• Cold grassland

• Tropical grassland

• Alpine grassland

What type of forest is found near the equator and is characterized by high humidity and stable temperatures?

• Tropical rainforest

• Boreal forest

• Temperate deciduous forest

• Mangrove forest

Which desert is known for having high temperatures in summer and low temperatures in winter with more precipitation than tropical deserts?

• Mojave Desert

• Gobi Desert

• Kalahari Desert

• Sahara Desert

What is a key characteristic of cold deserts?

• High rainfall

• Dense vegetation

• Cold winters and warm summers

• High humidity

Why are desert ecosystems considered fragile?

• Slow nutrient cycles

• Fast plant growth

• Abundant water resources

• High species diversity

Which biome is characterized by long, cold winters and short, cool summers?

• Tropical rainforest

• Savanna

• Temperate grassland

• Boreal forest

What adaptation helps cacti survive in desert environments?

• Water storage in stems

• Deep roots

• Thick leaves

• High photosynthesis rate