Read the sketch map of Australia and complete the following requirements: (1) The population and cities in Australia are mainly distributed in _ _ _ _ _ _ _ _ _, and this distribution is mainly due to

(1) In 2, the total population of Australia was 19.18 million, and most of them lived in the fertile areas along the southeast coast. This distribution is mainly due to the mild and humid climate along the southeast coast, which is suitable for human habitation. Canberra, the capital, with a population of more than 2,, is the political center of the country. Sydney, with a population of more than 3 million, is the largest industrial center and port city in China, and the famous Sydney Opera House is built on the seashore.

(2) There were no sheep in Australia, a country riding on sheep's backs. In the late 18th century, European immigrants brought 29 Merino sheep from Spain for the first time. After continuous breeding and improvement, plus the fertile grassland here, artesian well water is suitable for sheep to drink, and there are no natural enemies of sheep, sheep grow and breed in large numbers here, making Australia gradually become one of the countries with the largest number of sheep in the world, and most of the wool and mutton produced are exported to the international market.

(3) The Great Barrier Reef is located in the sea on the northeast side of the Australian mainland, with an intermittent length of more than 2, kilometers, including 3, islands and reefs, with a distribution area of more than 2, square kilometers. It is the largest coral reef group in the world. There are many kinds of marine life in the waters of the Great Barrier Reef, which is an important tourist area in Australia.

Therefore, the answers are: (1) the southeast coast; Southeast coastal climate is mild and humid; (2)① The grassland is fertile, artesian well water is suitable for sheep to drink, ② There are no natural enemies of sheep, and sheep grow and breed here in large numbers; Promote the development of tourism.