1. Interactions with the built and marine environment

2. Break walls Break walls are design to stop or slow the big ocean waves getting to the boats moored in the harbour

3. Break walls The rocks used in a break wall have created an area that the tube worms, periwinkles and oysters have made their home

4. Periwinkles Oysters Tubeworms

5. Jetties Jetties are made so that boats can pull up along side them to access the land without getting the boat stuck on the shore

6. Jetties The pylons on a jetty create an area for marine animals to live

7. Jetties Tubeworms Oysters Seasquirts or cunjevoi

8. Roads Roads allow access to places we want to go

9. Roads Run off from roads can end up in our Estuaries.

10. Roads Most marine life in estuaries rely on plant life such as seagrass for shelter and to find food

11. Boat Ramps Boat Ramps are used by fisherman to launch their boats into the water

12. Boat Ramps The shoreline is home to many plants and animals

13. Boat Ramps Marine life can be found under or above the water close to the shoreline

14. Bridges We use bridges to go over waterways without getting wet

15. Bridges There are low and high tides

16. Bridges Crabs and yabbies forage for food in the tidal zone

17. Coastal Development The majority of the Australian population live close to the coast

18. Coastal Development There are new building sites being created along the Australian coastline

19. Coastal Development A wide range of bird species breed in the coastal zone