Example 2 Classification of foraminifera

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Example (2) Classification of foraminifera
Example (1)-Benthic foraminifera abundance
Species abundance
epifauna
infauna
-

Food

-
Oxygen
Word Bank
unilocular
uniserial
tubular
biserial
planispiral
trochospiral
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Example (3)- Polar bear of Planktonic Foraminifera

• N. pachyderma
• -left coiling (lt8ºC)

-right coiling (gt 8ºC)
100
1
N. Pachyderma (left)
N. Pachy (left)/ N. Pachy (right)
0
0
0
30
10
20
0
30
10
20
Sea surface temperature (ºC)
Sea surface temperature (ºC)
Example (4)- Temperature change during the last
ice age
How cold was it for these sub-zero heroes during
the ice age?
Mg/Ca
Ice age (20,000 years ago)
Modern