w8 diatom analysis Flashcards
1
Q
diatom
A
single cell
live in water and soils
they reproduce
photosynthesise
come in different species(different shapes and sizes)
2
Q
why are diatoms from soil important
A
diatoms found in soil have grown there, they dont tend to move
3
Q
deceased circumstances
A
if someone enters a water system whilst they are alive and end up drawing
they will inhale diatoms and will spread around the body
they will end up in lung liver and kidney
4
Q
how are the diatoms extracted
A
nitric acid and cooled
