Mobs
This Mob is very common, and used to get food.
Pig, Cow, Chicken, ETC
You find this everywhere, even underground.
Dirt
Made from trees.
Stick
I drop rotten flesh
Zombie
This generates in oceans, and you explore this more than anywhere.
Islands
It floats, and likes to go down.
Squid
Red, hot, and is everywhere.
Netherrack
Can be cooked, and found in water.
Fish
I live in a swamp in my hut
Witch
Tool items are found in here more often than on top of the land.
Caves
It floats, but doesn't touch water.
Ghast
Can't float, but is found underground.
Gravel
Colorful, and made of many items.
Dyes
I duplicate when I die
Slime or Magma Cube
Deep, and usually isn't explored much.
Oceans
It jumps on you and doesn't die from sunlight.
Spider
Can't be touched, can't be mined, but its everwhere.
Air
Can't be found in the Overworld, you have to dig deeper than the deepest.
Glowstone
I drop Nether Stars
Wither
Hard to find on land, but can be used to burn things.
Lava Springs
It is weird, and creeps up on you.
Creeper
Hard, but not in real life.
Obsidian
Can't collect it, not even in the actual game.
Quiver
I can drop music disks
Creeper
A land completely different from usual.
Nether