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IB Biology Topic 5.1 & 5.2: Natural Selection & Evolution
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This video covers IB Biology subtopics 5.1 & 5.2 from the IB Biology topic 5 syllabus content.
This IB Biology video first defines two key terms: genetic variation and adaptation. Using these, it explores the concept of natural selection through two examples: the Galapagos island finches and antibiotic resistance. It then covers the process of evolution, including the evidence for this theory provided from fossil records, selective breeding, homologous structures and living species. The video then ends by discussing the example of industrial melanism in the peppered moth.
00:00 Introduction
00:22 Key Definitions
01:14 Natural Selection
02:36 Galapagos Island Finches
04:12 Antibiotic Resistance
04:58 Preview Finished!
#ibdp #internationalbaccalaureate #ibscience #ibbiology #ibbio #biology
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This video covers IB Biology subtopics 5.1 & 5.2 from the IB Biology topic 5 syllabus content.
This IB Biology video first defines two key terms: genetic variation and adaptation. Using these, it explores the concept of natural selection through two examples: the Galapagos island finches and antibiotic resistance. It then covers the process of evolution, including the evidence for this theory provided from fossil records, selective breeding, homologous structures and living species. The video then ends by discussing the example of industrial melanism in the peppered moth.
00:00 Introduction
00:22 Key Definitions
01:14 Natural Selection
02:36 Galapagos Island Finches
04:12 Antibiotic Resistance
04:58 Preview Finished!
#ibdp #internationalbaccalaureate #ibscience #ibbiology #ibbio #biology
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