Practice IB Biology Topic A4.1 Evolution and Speciation with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A4.1 Evolution and Speciation and mirrors Paper 1A, 1B, 2 style where relevant.
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The forelimbs of humans, cats, whales, and bats contain the same bones in different arrangements. What is this an example of?
What happens to global species diversity during a speciation event?
DNA sequencing reveals a 98.8% similarity in gene sequences between humans and chimpanzees. What does this high similarity provide evidence for?
Similar base sequences in the DNA of two different organisms provide evidence for which concept?
Which process contributed to the divergence of bonobos and common chimpanzees?