CSI

CSI

1. Plants

   • lifecycle of a flowering plant
   • ways plants can be used for crime solving
     • use pollen to provide evidence to find the suspect who walked through plant e.g mixture of pollen matches the mixture found on suspect's shoe
     • counting the rings of tree roots growing through a buried skeleton helps you work out the minimum time the body was ther
   • flowering plants reproducing sexually
     • when pollen grain lands on stigma , pollination occurs. it th egrows a pollen tube down the style & into the ovule where it fertilises with the ovum
   • main parts of a flower

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