Well that is one of the things where you have to decide if you can believe what the film tells you

Don't shoot the monkey, you fool!

No, don't, because either a) you might need to eat it later or b ) (more likely) it finds a way off the planet for you.

He asks your question, M'Virn...where did those rocks get the oxygen to burn!!

Then I take back my apology.

Well, as we still have most of the film to go, I am assuming that he finds a supply of oxygen somewhere.

Is his equipment solar powered?

Is his equipment solar powered?

I thought we heard living things howling? Or was that the wind?

He's 'acclimating', as the Americans might say, rather well, considering.
(nice little condenser he's created, btw).

You speaking techno language?

Mona the monkey is proving herself to be a valuable crew member.

Just attempting to add a bit of verisimilitude to the proceedings.
For those to whom 'techno' language is too hard to follow,
'acclimating' (American English) = ACCLIMATISING, for goodness sake.
condenser - device that uses evaporation to collect water vapour from the (admittely thin) atmosphere.

That Martian bladder wrack the monkey was scoffing seems more palateable than the Terran kind.

I wish she worked at the library with me

And of course she is female - so we do have a female in the film, if not a female human.

I have to say that if I were shipwrecked on a desert planet, inventing the bagpipe would not be high on my agenda.

You'd make an ace teacher

I have to say that if I were shipwrecked on a desert planet, inventing the bagpipe would not be high on my agenda.

Life!

Of course, the original Man Friday was being hunted too.

Zabriskie point death valley mostly.