The blue-tongue is really a skink. There are 7 species of blue-tongue in Australia. They belong to the skink family, Scincidae, which means shiny scaled. Australia has more species of skinks than of all other lizards put together.here are 7 species of blue-tongue in Australia. They belong to the skink family, Scincidae, which means shiny scaled. Australia has more species of skinks than of all other lizards put together.
The LD50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5-1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children.he LD50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5-1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children.
In large amounts, nicotine can be poisonous. Cotinine is usually the test of choice to evaluate tobacco use or exposure to tobacco smoke because it is stable and is only produced when nicotine is metabolized. Cotinine has a half-life in the body of between 7 and 40 hours, while nicotine has a half-life of 1 to 4 hours.