This definition can be contrasted with that proposed by life-span developmental psychologists: Development is a life-long process beginning at conception and ending at death (Honzik, 1984, p. 309). Development is thus extended to include the whole of life.
A cockroache can live up to 10 days without its head. In fact it doesn't die of suffication but of dehydration.  a cockroach can live up to a week without it's head because â¦it's brain is in its body. 1 person found this useful.
Age and Lifespan. In the wild, cockatiels live for 10 to 14 years, but those in captivity can easily live for 20 years or longer. Guinness World Records lists Pretty Boy as the oldest confirmed cockatiel, who died in 2004 at the age of 29 years. With proper nutrition and exercise, your bird will be around for a long time.