Great natural landscapes on Earth

Great natural landscapes on Earth

Which continent has the largest tropical rainforest?

1. Europe
2. South America
3. Antarctica
4. Australia

What climate do tropical rainforests require?

1. Warm and humid
2. Cold and dry

How much rainfall do these forests receive?

1. Over 2000 mm annually
2. Less than 500 mm annually

Why are equatorial regions warm?

1. Frequent snowfalls and frost
2. Cold ocean currents
3. High altitudes
4. Direct sunlight year-round

How do equatorial climates affect biodiversity?

1. Low biodiversity due to extreme conditions
2. Biodiversity is highest in polar regions
3. Rich biodiversity thrives in stable climates
4. Limited species due to harsh weather

What is a major threat to the Amazon rainforest?

1. Deforestation
2. Increased rainfall
3. Urban expansion
4. Climate change

Which activity contributes to Amazon deforestation?

1. Logging
2. Agricultural expansion
3. Wildlife protection
4. Eco-tourism

Why are rainforests crucial for the climate?

1. They increase atmospheric carbon dioxide
2. They regulate global temperatures

How do rainforests benefit indigenous cultures?

1. No cultural significance
2. Source of food and medicine

What is reforestation?

1. Cutting down trees for agriculture
2. Creating artificial forests
3. Planting trees in deforested areas
4. Building urban infrastructure

Why is reforestation important?

1. Decreases wildlife habitats
2. Reduces soil fertility
3. Restores ecosystems and biodiversity
4. Increases pollution levels

What causes convectional rainfall?

1. High pressure systems
2. Ocean currents
3. Heating of the Earth's surface
4. Cold air rising

What is the temperature trend towards poles?

1. Decreases
2. Increases
3. Remains constant
4. Fluctuates wildly

Which factor influences temperature most?

1. Latitude
2. Soil type
3. Time of day
4. Local wildlife

Which region has the highest population density?

1. Eastern Australia
2. Tasmania
3. Northern Territory
4. Western Australia

Why is it so wet around the equator?

Why is it so dry in the desert?

What is extensive livestock farming?

1. Intensive animal confinement
2. High input and output system
3. Use of large land areas
4. Low stocking density farming

What is a common extensive livestock type?

1. Chickens
2. Pigs
3. Sheep
4. Cattle

What is the primary purpose of irrigation?

1. To reduce pest populations
2. To prevent soil erosion
3. To increase air circulation
4. To supply water to crops

What type of vegetation is common in the Savannah?

1. Grasses and scattered trees
2. Dense forests and shrubs

What is the population density of the Arctic?

1. More than 100 people per km²
2. Less than 1 person per km²
3. High population density
4. Very low population density

Which indigenous group inhabits the Arctic?

1. Aboriginal Australians
2. Maori
3. Sámi
4. Inuit

Which type of vegetation is common in tundra?

1. Tall trees
2. Mosses
3. Cacti
4. Low shrubs

What is permafrost?

1. Liquid water layer
2. Dry desert soil
3. Permanent layer of ice
4. Frozen subsoil

What is the difference between homogeneous and hetrogeneous?

Which is a characteristic of sea ice?

1. Composed of freshwater only
2. Forms from freezing seawater
3. Permanent ice formation
4. Found in polar regions only

Which is NOT a type of land ice?

1. Ice caps
2. Glaciers
3. Ice sheets
4. Sea ice

Which trees are commonly found in the Taiga?

1. Coniferous trees
2. Palm trees
3. Deciduous trees
4. Spruce and fir trees