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.
It can not live without a head. All of the movement the chicken makes after having the head severed is from nerves reacting. ^above answer is not COMPLETELY true^ Chickens CA â¦ N live without a head, but only for a few months.In order for them TO live, headless, youe yoÃ¼ must chop off their head right above the medulla. Oblongata the medulla oblongata controls breathing and heartbeats to keep the chicken. alivet can not live without a head. All of the movement the chicken makes after having the head severed is from nerves reacting. ^above answer is not COMPLETELY true^ Chickens CA â¦ N live without a head, but only for a few months.