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15 cards from this deck
Data collected directly through research
Information from existing studies and databases
Standardised system for evaluating species conservation status
Cycads (ancient seed plants)
0.1 to 2 extinctions
~34 extinctions
~2.3%
After 1900
At least 680
17-34 times
Over 70%
~37%
Arctic, Amazon Rainforest, Sahara Desert, Australian interior
Sixth mass extinction
More than half
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