Biology: ECOLOGY Topical Past Paper Questions
IB Diploma Programme Biology past-paper questions on ECOLOGY, free. This topic is frequently examined across 17 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Cane toads (Rhinella marina) were introduced into Australia in an attempt to control a crop pest. Evaluate the use of alien species as biological pest controls.
Living organisms cause change and also respond to change. (a) Outline changes to the Earth's atmosphere that have been caused by living organisms. [4] (b) Explain how a population changes by natural selection. [7] (c) Explain how the pressure inside the lungs is changed during ve…
The continued survival of all living organisms depends on sustainable communities in which plants play a vital role. (a) Outline how energy flows in an ecosystem. [4] (b) Describe how plants affect the amount of carbon dioxide in the atmosphere. [4] (c) Explain how a newly discov…
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