Features like biomes, items, blocks, mobs, dimensions and randomly generated structures
Minecraft: How do I remove features in minecraft?
Billy 12.08.2015
If you remove everything there'll be no minecraft…
Jeff 12.08.2015
IF you click advanced world settings, you can change some of that stuff. You could also get mods. To turn of mobs turn on peaceful. You can't really "turn off" items and blocks (there might be a mod though).
Jake 12.08.2015