Evolutionary Change and Biodiversity · Evolution

Mechanisms of Natural Selection

Investigating how selective pressures act on phenotypes to change allele frequencies in a population.

Key Questions

  1. 1What determines whether a specific mutation is beneficial, harmful, or neutral?
  2. 2How does genetic drift differ from natural selection in its effect on small populations?
  3. 3In what ways can human intervention such as artificial selection mimic or disrupt natural processes?

ACARA Content Descriptions

AC9S12U06
Year: Year 11
Subject: Biology
Unit: Evolutionary Change and Biodiversity
Period: Evolution

Suggested Methodologies

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