Roots and Stems

I am thin, slender, and thread-like. I help weak plants stay erect. Who am I?

What are my special roots called?

I grow underground. But, I am not a root. I make you cry. Who am I?

I am a root yet you can see me above the soil. Who am I?

Am I root? Am I a stem?

What kind of root system do I have?

I grow under the soil. Grass, corn has me. I stay close to the surface. Who am I?

I start as a bump but can grow into a branch, stem, or even a flower. Who am I?

I grow under the soil, you like eating me. Iám mostly ORANGE in colour. Who am I?

I absorb water and minerals from the soil, Who am I?