But it appears that few of the men get anything beyond what they need to survive.

These early homes had everything a family would need to survive.

For us, it meant giving him what he would need to survive.

They've got exactly what they need to survive, no more.

Aside from water, life also needs sources of energy to survive.

And I needed to survive in order to do two things.

It would be more simple not to eat any food other than what we need to survive.

What's the single most important thing you need to survive in the wild?

In other words, as humans we need others to survive.

I only needed to survive to put it into effect.