Melons are not found in any biome. You can only find melon seeds in chests that the world generates itself. This includes dungeon chests, abandoned mineshaft chests, and stronghold chests.
they are in dungeons in the chest as seeds.
Honeydew from minecraft..FTW!!
You have to use a Iron Pickaxe to dig Emeralds ( Found in Extreme hills biome )
There are an abundant amount of them in the plains biome. Reason? Cows spawn anywhere near grass. The plains biome has a lot of grass. Good luck!
Melons and Melon Seeds first appeared in Minecraft Beta 1.8.
Wolfs are mostly found in forests and biome areas. Your difficulty can be on anything from what I heard.
there is no jungle biome in minecraft PE
Jungle Biome
Witch's Hut is only found in a Swamp Biome, it isn't available on Superflat Land Mode.
They are ocelots, found in the jungle biome. They can be tamed into cats that will repel certain mobs like creepers. To tame them you need raw fish. You can go to Minecraft wiki to learn more.
The Biome Update
they dont have jungle, per se, but they have a swamp biome and a forest biome.