Parallel drainage pattern. A parallel drainage system is a pattern of rivers caused by steep slopes with some relief. Because of the steep slopes, the streams are swift and straight, with very few tributaries, and all flow in the same direction.
1 In Creative, the player can use spawn eggs to spawn most mobs. 2  When mobs are spawned this way, all normal spawning requirements, such as light level and block type, are ignored. 3  Any entity can be spawned using the /summon command.
...yet somehow we still choose to post said questions to the forum anyway, instead of looking up the answers for ourselves. http://www.minecraft....net/wiki/Spawn. http://www.minecraft...wn#Mob_spawning. Mobs spawn naturally within a 15x15 chunk (240x240 block) area around the player.