To fly in survival mode you need to craft the eye of ender
#$# $#$ #$# # = Gunpowder $ = Sand
yes, in the demo
It's not possible to receive/collect all of the blocks or items in Minecraft using survival mode. You can gather most of them however by mining, roaming, and finding dungeons and abandoned mine-shafts.
There are many tutorials on Youtube.
To fly in survival mode you need to craft the eye of ender
Yes.
There is nothing obligatory about minecraft; there is nothing you should get.
NOPE
#$# $#$ #$# # = Gunpowder $ = Sand
Yes.
You dont, unless you have the single player commands mod. Which i suggest you download. That is, if you want to enter cheat codes in survival mode minecraft.
of course
Yes, in survival mode.
276 in survival mode. 322 in creative mode.
You can't. There are two Minecraft demos that I know of: one on minecraft.net, and the PC Gamer demo. Both are locked in survival mode, and in survival mode there is no way to spawn mobs.
YES