Possible Topics
Aboriginal interactions with the environment.
Coral Reef ecology and pathology.
Desertification.
The role of fire in Australia.
Climatic aspects of forestation.
Convergent evolution as displayed by marsuipials and mammals.
Evolution in isolation.
Desert adaptations of plants and animals.
Problems of introduced species.
Agriculture.
Sugar farming in Queensland.
This is a short list of some of the possible topics for your presentations. There are many more. As you work on your research, you will find other questions and topics that will follow on and may provide a basis for subsequent talks.