Answer:
It's a symbol and a fruit, For man's folly, evil's root. But also for great inspiration, and famous application.
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
I'm a lot like a pancake, except I'm a little crisper, and I'm square, with square patterns all over.
Alight or in dark, my face is a leer. In a field with my brothers, you’ll find me without bother, For that autumn day is mine.
What can you lose that will cause other people to lose theirs too?
Food
Animal
Difficult
Easy
Funny
Kids
Logic
What am I?