Biology

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Unit 3: Organisms

Unit 4: Ecosystems

  • Species
  • Populations and Communities
  • Abiotic and Biotic Factors
  • Energy Input and Output on Earth
  • Food Chains
  • Food Webs
  • The Role of Decomposers
  • Productivity
  • Changes in Communities – Slow and Rapid
  • Carrying Capacity
  • Opportunistic – r-Selected
  • Equilibrium – K-Selected
  • Succession
  • The Importance of Biodiversity
  • Natural Selection
  • Speciation
  • The Theory of Evolution
  • Importance of Variation for a Species
  • The Importance of Preserving Habitat
  • Human Impact on Ecosystems
  • Human Population Growth

Unit 5: Scientific
Skills

  • Purposes of Investigations
  • Questions and Hypotheses
  • Designing Investigations and Experiments
  • Variables – Independent and Dependent
  • Constant Factors
  • Safety and Ethics
  • Materials and Method
  • Information and Data
  • Tables
  • Graphs
  • Precision, Reliability and Accuracy
  • Random vs Systematic Errors
  • Evaluation and Improvements
  • Drawing Conclusions
  • Research Skills

Unit 6: Academic
Writing

  • Practical Report Formatting
  • Issues Investigations
  • Referencing
  • Authority and Credibility
  • Style and Clarity
  • Structure

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