Summaries after sample
, U4: Temperate coniferous forests U1: Climate around the world
• Most trees are evergreen (remain green all year) to maximise food • Weather - the conditions of the atmosphere at a specific, short-
production whenever sunlight is available during the short growing season. term time.
• Branches slope downward so heavy snow can easily slide off without • Climate - the typical weather conditions of an area measured
breaking them. over a long period, such as a season.
• Leaves are needle-shaped to minimise water loss, and they feature a tough • Seasons - temperatures shift throughout the year, making
outer layer to protect against freezing temperatures. summer hotter than winter.
• Few plants grow on the forest floor, and the ecosystem supports relatively • Distance from the equator - regions closest to the equator are
few overall species. hotter than regions closer to the North and South Poles.
• •
U3: Hot deserts U2: Tropical rainforests
Sample • Rainfall - extremely low, averaging below 25 mm
per year.
• Average annual temperature is 30°C.
M3: Climate
and vegetation
Rainforest climate:
• Tropical rainforests are very hot and wet.
• They are primarily located near the Equator, between
• High temperatures and arid conditions limit plant the Tropic of Cancer and the Tropic of Capricorn.
Summaries after sample life to around 500 drought- and heat-resistant
species.
• Harsh conditions and dust storms restrict wildlife.
• Bedouins - a specific group of nomads who live in
around the
world
Natural vegetation and wildlife in a rainforest:
tents designed to stay cool and shady. • The canopy - provide essential food and shelter for wildlife.
• Houses are constructed from natural materials • The equatorial climate provides abundant sunlight and
specifically designed to withstand the severe water year-round, enabling massive forests of tall, dense
desert heat and dust storms. trees to grow easily.
Why rainforests are important: Reasons for clearing rainforests:
• They are home to a massive variety of plant and animal species. • Harvesting valuable wood for furniture, paper, and firewood.
• Keep the global climate stable and healthy. • Creating space for cattle farming.
• Rainforest plants are a vital source of medical treatments and • Clearing land for infrastructure - roads and highways.
cures for diseases like cancer. • Mining for minerals, gas, and oil.
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