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 ].
Sarah Stibral helps create a juvenile T-Rex that will be part of the Ark Encounter, a full-size replica of Noah's Ark, 510-feet-long, 51 feet high and 82 feet wide, that is being built in Grant County, Kentucky.