1Learning objective
2.4.1—Climate vs. weather
New• Climate: atmospheric conditions over long periods (~30 years)
• Weather: short-term conditions
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Start with the concept explanation, then practise to create mastery evidence.
2Learning objective
2.4.2—Biome definition
New• Group of comparable ecosystems in similar climatic conditions
• Influenced by precipitation, temperature, insolation
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3Learning objective
2.4.3—Biome distribution determinants
New• Abiotic factors
• Temperature and rainfall patterns determine ecosystem type
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4Learning objective
2.4.4—Biome categories
New• Freshwater, marine, forest, grassland, desert, tundra
• Each has characteristic limiting factors, productivity, diversity
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5Learning objective
2.4.5—Tricellular model
New• Explains atmospheric circulation
• Distribution of precipitation and temperature by latitude
• Three cells: Hadley, Ferrel, polar
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6Learning objective
2.4.6—Ocean heat distribution
New• Oceans absorb solar radiation
• Ocean currents distribute heat globally
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7Learning objective
2.4.7—Global warming effects
New• Changing climates and biome shifts
• General trend: poleward and higher altitude movement
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Start with the concept explanation, then practise to create mastery evidence.