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.
Global warming causing Antarctic ice to expand. Emperor penguins and researchers share space on Antarctic sea ice in 2003. In this confounding region of the world, spreading ice may be an odd signal of man-made climate change.(Photo: AP) Scientists say skeptics are misinterpreting what's happening in Antarctica.