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Question 5

From Environmental Systems SL Paper 1 (November 2024, TZ2)

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  1. (a) With reference to Figure 6(b)
Diagram showing a simplified food web of the Eurasian wolf, including various animals and plants and their feeding relationships.
Diagram showing a simplified food web of the Eurasian wolf, including various animals and plants and their feeding relationships.

, state the ecological relationship between the Eurasian wolf (Canis lupus lupus) and the Eurasian lynx (Lynx lynx). [1]

(b) Predict how decreasing numbers of the Eurasian wolf (Canis lupus lupus) before 1979 could have impacted the alpine ecosystem. [2]

(c) With reference to Figures 6(c) and 6(d)

A timeline showing key events related to the Eurasian wolf population in Switzerland from the 19th century to 2022.
A timeline showing key events related to the Eurasian wolf population in Switzerland from the 19th century to 2022.
Map of Switzerland showing the number and locations of breeding Eurasian wolf packs in 2020, with different regions highlighted and numbered.
Map of Switzerland showing the number and locations of breeding Eurasian wolf packs in 2020, with different regions highlighted and numbered.

, evaluate the effectiveness of the protection given to the Eurasian wolf (Canis lupus lupus) in Switzerland. [3]