Apparently yes. But the smallest slimes don't harm you, they don't deal damage.
There are 3 sizes of slimes in Minecraft that naturally spawn. Big, Small, and Tiny.
The flat world seed spawns alot of slimes. But every seed spawn slimes.
you get it by killing green slimes.... slimes are found mostly in swordhaven
You can find slimes in flat areas at lease 6-7 blocks wide. Or in slime dungeons.
No, not as of March 27th, 2013.
Slimes can, and awkwardly creepers can too.
Not in the current version, at least not often.
Yes, Slimes are hostile and will attack players on difficulties other than Peaceful (they won't appear at all in that), or Creative Mode.
No. Because your world is different from everybody else's and therefore the website would not be able to find slimes in all of those worlds.
Slime balls are only dropped from slimes. Slimes are green, gelatinous and very rare cubes, found far below the ground level.
In the bottom layers of the map or (if you have Weekly Snapshot 12w40a or above) in swamps.
There are 3 different sizes of slimes in minecraft. Big , medium ,and small.