Tag: isolation

  • Speciation on Daphne Major – Big Birds Get No Love

    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.

  • Speciation Modes – Reinforcement

    Speciation Modes – Reinforcement

    Students distinguish between allopatric and sympatric speciation and then identify what types of isolating mechanisms are described in scenarios.

  • Speciation Modes on

    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…