As in gymnosperms, the ovule becomes a seed, encasing the embryo and endosperm in a seed coat. But unlike gymnosperms, in angiosperms the ovary containing the ovules develops into a fruit after fertilization.
Captain James Cook was the first to cross the Antarctic Circle, doing so in 1773. However, pack ice and the freezing of his ship's sails prevented him from reaching the Antarctic continent itself. The same thing happened when he again crossed the Antarctic Circle a year later.
Australiaâs involvement in Antarctic exploration dates from the 1911â14 Australasian Antarctic Expedition (AAE) led by Douglas Mawson, the first Australian-led expedition. This was followed by the British Australia New Zealand Antarctic Research Expedition (BANZARE) of 1929â31.he principal agency with responsibility for the Commonwealth Governmentâs Antarctic initiatives â the Australian Antarctic Division (AAD) â began as a section within the Department of External Affairs in May 1948. Upgraded to a division within a month, it remained within External Affairs until 1968.