IB Biology SL B4.1.6 Terrestrial Biome Distribution Questions

Explore how temperature, precipitation, insolation, latitude and seasonality shape terrestrial biome distribution, vegetation and productivity in IB Biology SL B4.1.6.

Exam points

Identify biomes from climographs using temperature and rainfall patterns.
Compare biome vegetation and productivity using temperature, rainfall and water-availability data.
Describe the global distribution of tundra, including its high-latitude northern range.

[Maximum number: 5]

The climograph shows the distribution of biomes according to the temperature and rainfall of land areas on Earth.

Mean annual temperature / $^{\circ}\mathrm{C}$

Figure for Question IB Biology SL B4.1.6 Terrestrial Biome Distribution Questions question 1 — IB Biology SL

(a)

Identify the ecosystem with the appropriate numeral from the climograph.

[ 2 ]

Ecosystem	Numeral
Tropical rainforest	IV
Desert	II
Tundra	I

(b)

Referring to the climograph, explain reasons that the nutrient store in the litter layer of the taiga is greater than in the tropical rainforest.

[ 3 ]

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IB Biology SL B4.1.6 Terrestrial Biome Distribution Questions question 1

Question (a)

Question (b)