Practice IB Environmental systems and societies (ESS) Topic 3.3 Conservation and Regeneration with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for 3.3 Conservation and Regeneration and mirrors Paper 1, 2 style where relevant.
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Describe two methods for conserving biodiversity ex situ.
Describe two approaches to ex-situ plant conservation and their respective advantages.
Define the term "biodiversity loss" and explain its three main levels.
Figure 1: Fact file on North American beavers
Source: adapted from www.sbaa.ca, www.ecology.info, www.tobyhemenway.com and http://acs7.cortland.edu
Figure 2: Algonquin wolf pack territories and protected areas
With reference to Figure 1, outline one reason why there are more beaver remains in wolf faeces during summer.
The number of wolves in Algonquin Provincial Park is estimated to be between 250 and 1000. Outline two reasons why it is so difficult to estimate the number of wolves accurately.
With reference to Figure 2, explain the threats to the future existence of a small and sustainable population of wolves as a result of their protection in limited area.
Outline two direct and two indirect threats to terrestrial biological diversity.
Discuss, using examples, how ecological urban planning finds a balance between living organisms and urban environments.
Discuss the validity of the following statement: Choosing the best conservation strategy can be aided by considering both economic and ecological arguments.