IB ESS HL 2.4.3 Biome Distribution Determinants Question Bank

Explain how temperature, precipitation and other factors determine biome distribution.

Exam points

identify the climate or biome pattern in the evidence
apply circulation, heat or precipitation relationships
justify impacts using climate-system processes

[Maximum number: 2]

Figure:Main vegetation zones in Costa Rica

Figure:Average annual rainfall in Costa Rica

With reference to Figures: Main vegetation zones in Costa Rica, Average annual temperature in Costa Rica and Average annual rainfall in Costa Rica, identify the climatic conditions in lowland seasonal forest.

temperatures over $24^{\circ} \mathrm{C}$ ;
rainfall between 1000 and $3000 \mathrm{~mm}($ eg $1501-2000 \mathrm{~mm})$ / rainfall below 2000/3000 mm;

Note: Do not accept only high/low annual rainfall or high annual temperatures. Do not accept only 'over $28^{\circ} \mathrm{C}$ /up to $28^{\circ} \mathrm{C}$ '.

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2.4.3—Biome distribution determinants question 1