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Life Sciences 11 · Grade 11 · Unit 9 of 11 · Gatekeeper unit

9Evolution

Work through these 5 topics in order. Clear the gatekeeper and the rest of the course opens up.

Contents

readnot started

  1. 9.1
    Evidence for evolution

    Fossils, homology, biogeography and molecular evidence.

    Published

    Start here
  2. 9.2
    Natural selection

    Variation, fitness and how populations change over time.

    Published

  3. 9.3
    Speciation & population genetics

    Isolation, new species and allele frequencies (Hardy–Weinberg).

    Published

  4. 9.4
    The pace of evolution: gradualism and punctuated equilibrium

    Two models of evolutionary tempo: slow, continuous change versus long stasis punctuated by rapid bursts.

    In preparation

  5. 9.5
    Genetic modification and the ethics of changing organisms

    Artificial selection, genetic modification and GMOs, gene therapy, and the ethical questions each raises.

    In review