Diatoms Flashcards
1
Q
what is a diatom
A
type of plankton (eukaryotic algae) with a silica cell wall
2-500 um diameter
2
Q
why are diatoms good as a trace evidence?
A
diverse species, small, silica cell wall = resistant to change, growth corresponds to parameters in environment
can determine the site and cause of death
3
Q
foraminifera
A
single celled, live on sea floor, limited usage to date
4
Q
phytoliths
A
silica in plant tissue persists after death
can trace plant human interactions
