List the 4 basic principles of genetics that mendel discovered in his experiments. briefly describe each princeiples.
Results showed T. rex was heavier than previous estimates, which ranged from about 4.5 tons to 6.5 tons, with the Field Museum's Sue skeleton weighing a heaping 9 tons (about 8,164 kilograms). [ Gallery: The World's Biggest Beasts ].
Answer2: Tyrannosaurus rex (tyrant giant lizard) was about 10 feet [3 m] high at the hips. When standing, it could measure some 20 feet [6m] tall. It was about 40 feet [12m] long. Its head was up tp four feet [1.2m] in length, and it's large mouth was equipped with many six inch [15m] conelike teeth.