IB ESS HL 2.4.2 Biome Definition Question Bank
Define biomes as large ecological regions shaped by climate and characteristic organisms.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the climate or biome pattern in the evidence
- apply circulation, heat or precipitation relationships
- justify impacts using climate-system processes
2.4.2—Biome definition question 1
[Maximum number: 2]
| Biome | Ecosystem | km^2 | \% |
|---|---|---|---|
| Forest | Dry evergreen | 15835 | 2.10 |
| Forest | Deciduous | 6735 | 0.90 |
| Forest | Thicket | 1900 | 0.25 |
| Woodland | Miombo | 294480 | 39.13 |
| Woodland | Kalahari sand | 84260 | 11.20 |
| Woodland | Mopane | 37010 | 4.92 |
Table:Coverage of ecosystems in Zambia
Table: Coverage of ecosystems in Zambia lists biomes and ecosystems in two different columns. Distinguish between a biome and an ecosystem.
biome is made up of many ecosystems / an ecosystem is within a biome; an ecosystem involves an interdependent community of organisms whereas a biome is made up of separated communities; an ecosystem is in a particular location whereas a biome is found over scattered locations; biome types are few and restricted, while types of ecosystems are many and variable;
Definitions by themselves are not enough for a mark. A clear distinction must be made for a mark.
Linking the two definitions by a "whereas" would only gain a mark for biome as it should include the 1st marking point.
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