OK, if I were you, I would've deleted everything from the cave and on, and expanded the first section with longer seasons. The start is actually rather nice, so if you could just use that kind of a theme thorughout the level, this would actually be quite good.
Not bad, but if you want this to be accepted then you need to add something other than the copy/pasted trees. You'll also have to do something with the ocean, as it is, it's just a bit too plain. And please replace the turtles with something else, unless you can make them neater. And last but not least, check for messyness, capitalize the first letter of the title and capture the thumbnail whilst holding down the shift-key.
Not bad, but if you want this to be accepted then you need to add something other than the copy/pasted trees. You'll also have to do something with the ocean, as it is, it's just a bit too plain. And please replace the turtles with something else, unless you can make them neater. And last but not least, check for messyness, capitalize the first letter of the title and capture the thumbnail whilst holding down the shift-key.