Practice IB Biology Topic A3.1 Diversity of Organisms with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A3.1 Diversity of Organisms and mirrors Paper 1A, 1B, 2 style where relevant.
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According to the morphological species concept, how are organisms classified as belonging to the same species?
In a population of genetically identical bacteria, exposure to different environmental conditions results in varied protein expression. What does this demonstrate about biological variation?
It is sometimes difficult to determine when two populations should be considered different species. Which of the following explains the reason for this?
According to the biological species concept, what defines a species?
Individuals in the same population can differ in height, coloration, and behavior. What does this range of differences illustrate?