What Am I? Riddles

I am not alive, but I grow; I don’t have lungs, but I need air; I don’t have a mouth, but water kills me. What am I?

I am not very commonly found! Only in some rainforest! I have an odd number of toes! I’m very lazy and hang upside down! What am I?

I am often sold by children entrepreneurs in summer time. What am I?

I am one of many, You forget I’m here, but I’m just below. Without me, you’d surely topple, Go ahead, what am I?

I am one small little piece of paper, yet sometimes hold lots of value. I am all you need to get in to big events, but will cost you. I am an important part of travel. And if lost, you’re not coming. What am I?

I am only a head, and have nothing within. I have no mouth but I speak from within. What am I?

I am owned by every man, though my length differs. Their wives uses me after getting married. What am I?

I am owned by every man, through my length differs. Their wives use me after getting married. What am I?

I am owned by Old McDonald. What am I?

I am owned by the poor, the rich does not need me. If you eat me, you will die! What am I?

I am partly blind but can still see. I have legs but only use them for sleeping. What am I?

I am pinched by grandmas. What am I?

I am pronounced as one letter, written with three. I come in blue, black, brown, or grey. Reverse me and I read the same either way. What am I?

I am quick when I’m thin. I am slow when I’m fat. Wind is my worst nightmare. What am I?