Answer:
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
I have a few points but we're not competing. I'll help you win when you're eating.
I am a busy worker who is a water mammal.
You buy me to eat, but never eat me. What am I?
My teeth help me suck.
What made Cyclops quit teaching?