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AGE
5
ANIMALS/VERTEBRATES
5
ANTARCTICA
5
DATE
5
MAMMALS
5
POPULATION DYNAMICS
5
SEALS/SEA LIONS/WALRUSES
5
biota
oceans
5
BIOLOGICAL CLASSIFICATION
4
BIOSPHERE
4
CARNIVORES
4
CONTINENT >
4
EARTH SCIENCE
4
ECOLOGICAL DYNAMICS
4
ECOSYSTEM FUNCTIONS
4
GEOGRAPHIC REGION >
4
LATITUDE
4
LENGTH
4
LONGITUDE
4
POLAR
4
SCAT
4
SEX
4
SHIPS
4
SPECIES
4
SPECIES/POPULATION INTERACTIONS
4
TIME
4
WEIGHT
4
BIOSPHERE >
3
CONSUMPTION RATES
3
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Antarc*
5
Antarctica
Leopard Seal
Weddell Seal
5
walrus*
5
Adelie penguin
4
Antarctic
4
Elephant Seal
4
Leopard Seals
3
Weddell Seals
3
Crabeater Seal
2
International Polar Year
2
Leptonychotes weddelli
2
Lobodon carcinophagus
2
Orca
2
Prydz Bay
2
Ross Seal
2
SCAR
2
Scientific Committee on Antarctic Research
2
Sea ice
2
Southern Elephant Seal
2
Southern Ocean
2
ice pack
2
minke whale
2
Antarctic Ocean
1
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