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Preliminary Biology

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4 | Evolution of Australian biota

2: The changes in Australian flora and fauna over millions of years have happened through evolution

Lesson 1 | Variation in a species

  • Discuss examples of variation between members of a species

  • Identify the relationship between variation within a species and the chances of survival of species when environmental change occurs

  • Perform a first-hand investigation to gather information of examples of variation in at least two species of living organism

Lesson 2 | Australia, then and now

  • Identify and describe evidence of changing environments in Australia over millions of years

  • Identify areas within Australia that experience significant variations in temperature and water availability

  • Identify changes in the distribution of Australian species, as rainforests contracted and sclerophyll communities and grasslands spread, as indicated by fossil evidence

  • Discuss current theories that provide a model to account for these changes

  • Gather, process and analyse information from secondary sources to develop a timeline that identifies key events in the formation of Australia as an island continent from its origins as part of Gondwana

Lesson 3 | Australian fossils

  • Gather information from secondary sources to describe some Australian fossils, where these fossils were found and use available evidence to explain how they contribute to the development of understanding about the evolution of species in Australia

Lesson 4 | Investigating Australian fossils

  • Perform a first-hand investigation, gather information of named Australian fossil samples and use available evidence to identify similarities and differences between current and extinct Australian life forms

Lesson 5 | Darwin's theory of evolution

  • Discuss Darwin’s observations of Australian flora and fauna and relate these to his theory of evolution

  • Present information from secondary sources to discuss the Huxley-Wilberforce debate on Darwin’s theory of evolution

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  • HSCStudy Lab Lessons

    61 Lessons

    Lessons by expert teachers that cover the NSW Preliminary Biology Syllabus comprehensively.

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    61 Practice questions

    61 lesson quizzes that include a variety of question types. This course also includes 20 focus level and 4 module level tests, as well as a comprehensive end of course practice exam.

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    26 Interactive activities

    Interactive activities that help you explore and understand key syllabus dot point as well as additional resources such as an interactive Periodic Table.

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