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.
They survive longer when on the scalp, but how long can head lice live without body contact? Lice are commonly spread from person to person by sharing personal items such as combs, brushes, hats, helmets, scarves, clothing and headphones. Pets can be a carrier for the lice but the lice cannot survive long on an animal. Females lay up to 400 eggs in their lifespan, which is spaced out to about eight eggs per day. These eggs hatch in one to two weeks. Head lice begin as empty eggs called nits.