1.7

1. Because it is an isolated continent

2. The stability of the continent

3. Species that are found nowhere else in the world

4. 89%

5. The Great Barrier Reef and the Tropical Rainforest

6. The Tropical Rainforest

7. pouched mammals – koalas

8. egg laying mammals – duck billed platypus

9. wallabies are smaller than kangaroos and prefer more rugged terrain

10. the duck billed platypus’ back feet are webbed and have curved claws to help them swim. The female platypus lays 2-3 eggs in her burrow. These eggs have rubbery shells like reptile eggs. If the platypus wants to reveal its claws for digging its webbing will fold back. There spurs on the male become poisonous in breeding season. The platypus is the only venomous furred animal. The front feet have large webs of skin to help propel through water. It has a low body temperature of 32 degrees Celsius reduces loss of heat in the water. About 50cm long, weighs 1-2kg. male is larger than female.