Tag: isolation
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Speciation on Daphne Major – Big Birds Get No Love
The beaks of finches on the island changed in size after a catastrophic draught. Students analyze graphs and explore how natural selection affects populations.
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Speciation Modes – Reinforcement
Students distinguish between allopatric and sympatric speciation and then identify what types of isolating mechanisms are described in scenarios.
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Speciation Modes on
This activity was designed for students during the COVID-19 pandemic and is intended to be completed individually at home. The lesson explores the two models of speciation: allopatric and sympatric. You can also assign a simple print version that explores speciation modes. Students first read about allopatric speciation and apply it to the finches on…