THE GENELLE Quizzits~science,diversity

HI,my friends!!Here are 3 science riddles on diversity!Solve these simple questions and put your answers in the chatbox!!below are some info:
        Due date:!7th april 2011(this Sunday)
       
      Difficulty level~very easy!
 
1.I have leaves roots and a stem.
            I have flowers too.
Don't touch me,you may have a rash.
 Don't eat me,you can be sick.
     What am I?

2.I am a tiny living thing.
 You need a microscope to see me.
You can find me almost everwhere
      What am I?

3.I have 3 body segments.
I move with my 3 pairs of legs.
I identify smells and tastes using my feelers.
Some larger animals find me delicious.
  What am I?





                                                                 Thanks For Doing!