1) The Union Flag is thought to symbolise Australia's history as six British colonies and the principles upon which the Australian Federation is based, although a more historic view sees its inclusion in the design as demonstrating loyalty to the British Empire.
2) It has seven stars representing the unity of the six states and the territories of the Commonwealth of Australia.
3) They are the first humans that colonized Australia.
4) animals (dans l’ordre de la feuille)
koala, sugar glider, kookaburra
emu, dingo, kangaroo
duck billed platypus, wombat, echidna