2. Owls eat their prey whole, and regurgitate what they can’t digest (pellet)

3. What do you think would be inside these pellets? Owls eat their prey whole, and regurgitate what they can’t digest (pellet)

4. We can use owl pellets to understand predator-prey relationships What do you think would be inside these pellets? Owls eat their prey whole, and regurgitate what they can’t digest (pellet)

5. Unit 2: Organisms and their environment Area of Study 1 Adaptations of organisms Area of study 2 Dynamic Ecosystems Relationships between organisms Components of ecosystems Flow of energy Population dynamics Change to ecosystems Mutualism & symbiosis Predator-Prey Parasite-Host

6. Learning outcomes: To analyse predator-prey relationships (using owl pellets) To describe the components of an ecosystem  interactions between organisms within a food web (visual organiser - ecological pyramid)

7. Learning outcomes: To analyse predator-prey relationships (using owl pellets) To describe the components of an ecosystem  interactions between organisms within a food web (visual organiser - ecological pyramid )

8. Learning outcomes: To analyse predator-prey relationships (using owl pellets) To describe the components of an ecosystem  interactions between organisms within a food web (visual organiser - ecological pyramid ) Higher order learning task: To evaluate the practical consequences of disrupting a food web (introducation of rabbits in Australia)

9. Owl Pellet Dissection

11. http://www.kidwings.com/owlpellets/flash/v4/index.htm

13. Unit 2: Organisms and their environment Area of Study 1 Adaptations of organisms Area of study 2 Dynamic Ecosystems Relationships between organisms Components of ecosystems Flow of energy Population dynamics Change to ecosystems Mutualism & symbiosis Predator-Prey Parasite-Host

14. Unit 2: Organisms and their environment Area of Study 1 Adaptations of organisms Area of study 2 Dynamic Ecosystems Relationships between organisms Components of ecosystems Flow of energy Population dynamics Change to ecosystems Trophic levels (Food chains-Food webs)

17. Food Chain

18. PRODUCER CONSUMERS

19. Food Chain Tertiary Consumer Primary Consumer Secondary Consumer Producer PRODUCER CONSUMERS

20. Food Web Food Chain PRODUCER CONSUMERS

22. Food Web Food Chain Tertiary Consumer Primary Consumer Secondary Consumer Producer PRODUCER CONSUMERS

23. 1926: 10,000,000,000 rabbits 1859: 24 rabbits 1990: 600,000,000 rabbits Why do we need to learn about food webs? A practical application

24. How has the introduction of rabbits affected native Australian flora and fauna?