LESSON 2.4 How has landscape and life changed?
LEARNING INTENTION By the end of this lesson you should be able to: • explain how Aboriginal and Torres Strait Islander Peoples adapted to the changes in their Deep Time environment • describe how the record of their changing landscape was passed on.
Tune in
SOURCE1 Lake Mungo has been a dry lakebed for approximately 15 000 years. Before the last Ice Age the lake provided the resources needed for life. Lake Mungo is now one of the most important archaeological sites of ancient Australia.
1. Describe the landscape of Lake Mungo as shown in SOURCE 1. 2. How does this picture provide evidence of the changing climate of the land surrounding Lake Mungo? 3. Why do you think Lake Mungo has become such an important Australian archaeological site?
2.4.1 Droughts and floods Further evidence of Australia’s Deep Time history was found in the sand dunes of Lake Mungo National Park in western New South Wales. The dry layers act as a time capsule from the Pleistocene period, which began about 2.5 million years ago. During this time, the Pleistocene Lakes dried up, affecting the lives of Aboriginal and Torres Strait Islander Peoples. As Lake Mungo dried, sea levels rose, flooding Australia’s coastal plains and creating features like the Great Barrier Reef.
28 Jacaranda Humanities Alive 7 Victorian Curriculum Third Edition
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