Biology – HSC Online Extract from Biology Stage 6 Syllabus (Amended October 2002) © Board of Studies‚ NSW 9.2 Maintaining a balance: 1. Temperature range Background: All organisms are adapted to a particular environment with its characteristic temperature range. The temperature range allows the organism’s enzymes to control its metabolism by operating at their optimum efficiency within this range. Some organisms are adapted to live at high temperatures (80 - 100oC) and these are called thermophiles
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the vision 1947-1954 As aviation advanced after the Wright Brothers’ first flight‚ the nation’s military aviation service followed a constantly growing lineage from 1907 to 1947. Officials had discussed the establishment of an aeronautical academy much earlier‚ but it wasn’t until the Air Force became a separate service in 1947 under the National Security Act that official plans began. Still the Air Force Academy plan made little progress until 1949 when Secretary of Defense James Forrestal
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