D4.2 Sustainability and change

Master D4.2 Sustainability and change with International Baccalaureate (IB) Biology exam-style questions, flashcards, lessons, and notes. All resources are aligned with the International Baccalaureate (IB) syllabus and designed for both SL and HL students.

Subtopics

D4.2.1 Stability as a property of natural ecosystems

D4.2.2 Requirements for stability in ecosystems

D4.2.3 Deforestation of Amazon rainforest

D4.2.4 Use of a model to investigate the effect of variables on ecosystem stability

D4.2.5 Role of keystone species in the stability of ecosystems

D4.2.6 Assessing sustainability of resource harvesting from natural ecosystems

D4.2.7 Factors affecting the sustainability of agriculture

D4.2.8 Eutrophication of aquatic and marine ecosystems due to leaching

D4.2.9 Biomagnification of pollutants in natural ecosystems

D4.2.10 Effects of microplastic and macroplastic pollution of the oceans

D4.2.11 Restoration of natural processes in ecosystems by rewilding

D4.2.12 Ecological succession and its causes (HL)

D4.2.13 Changes occurring during primary succession (HL)

D4.2.14 Cyclical succession in ecosystems (HL)

D4.2.15 Climax communities and arrested succession (HL)

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