Answer:
What is in seasons, seconds, centuries, and minutes, but not in decades, years, or days?
A gentleman whose offspring have successfully produced offspring of their own.
You have it even if there is none.
What is it that you ought to keep after you have given it to someone else?
What can't you see, hear or feel, until it’s too late. What shadows love, and shopkeepers hate?
What bird can lift the heaviest weight?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?