if it's that flower that explodes, you don't defeat it, that is not the spot to get out
After you defeat the flying piranha
To defeat Petey Piranha, you must fill him up with water while his mouth is open. Then you must ground pound on his stomach when he falls over.
Defeat Petey Piranha (W5 Boss) as Mini Mario.
To defeat the Sunnycide, you must crack open it's eggs and yoshis will come out and start pushing a chomp rock that was perched on a cliff above the sunnycide, one yoshi can't push it by itself, so five yoshis are needed, once five yoshis are pushing the chomp rock, the rock will roll of the cliff, land on the sunnycide and tip it down onto it's back, exposing it's weakspot (it's bandage-covered tongue), then's your chance to attack! The Sunnycide will be able to get back up, before you repeat the cycle and do a total of 480 damage to it.
A person can defeat Raptin in Secret Island by fighting him aboard the Starship. A person will then be able to fight Dynal.
You can go to another island and complete it. When you get a medallion you have completed that island :)
yes
how do you defeat the game developing island
(The solution is at the related question "How do you beat Steamworks Island")
A person can defeat Betty Jetty on Super Power Island by avoiding the lasers she shoots. This makes her mad and allows the comic book shop owner time to defeat her.
You have to defeat them.
defeat all the trainers there