Umiejętności z tego działu sprawdza 25 zadań wzorowanych na arkuszach IB z lat 2023–2026. Dział pojawia się w 16 z 57 arkuszy w bazie.
A threatened woodland dormouse depends on connected patches of native shrubs. Which action is an in situ conservation measure? A. Maintaining a breeding colony entirely in an overseas zoological collection B. Freezing tissue samples in a laboratory collection…
Which conclusion best matches broad estimates of global species richness through evolutionary history? A. Discovery of new species stopped once genome sequencing became available B. The present contains a very high total diversity, probably exceeding earlier…
Which loss of woodland has a directly anthropogenic cause? A. A storm uproots mature trees B. A natural lightning strike ignites dry litter C. A newly constructed reservoir submerges the forest D. A naturally occurring fungal outbreak kills seedlings
A conservation team consults the EDGE of Existence approach. Describe what this approach contributes to conservation.
The great auk was a flightless seabird of the North Atlantic that became extinct in the nineteenth century. Which human pressure is recognised as the principal cause of its extinction? A. Unsustainable harvesting of individuals and eggs B. Nutrient enrichment…
Which changes are likely to reduce global biodiversity? I. Expansion of urban development into natural habitats II. Recovery of a degraded native wetland III. Conversion of native grassland into intensive cropland A. I and III only B. I and II only C. II and…
Nectar-feeding insects depend on flowering plants and can influence their evolution. (a) Outline links between the properties of glucose and its uses. (b) List human activities that threaten insect pollinators. (c) Explain how natural selection can produce…
Why might a species receive high priority in the EDGE of Existence approach? A. It is necessarily the largest predator in its habitat B. It always lives along the edge of a forest C. It is evolutionarily distinct and globally endangered D. It has many close…
Which pair of human activities could best account for the change in these model land-cover maps? A. Afforestation and protection of old woodland B. Natural regeneration and planting native trees C. Rewilding and forest restoration D. Timber clearance and…
In a hypothetical coastal reserve, a predatory fish arrives from another ocean and establishes a growing population on reefs. Discuss possible effects of this introduction.
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