Answer:
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
I am the kind of food monkey likes and people slip on me and fall in cartoons.
I am an object which is used in baseball. During the day I can't be seen at all. What am I?
I can be thin but not fat; in your body but never on your placemat. I'm always better when I'm fresh but you'll never see me in the flesh.
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.