Death / Die-off / Decline | 4 | |
Physical or Chemical Change | 1 | |
Extreme Temperature | 1 | |
Pollution | 1 | |
Seasonal Timing | 1 | |
Fire | 1 |
2 | 1 | 1 |
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SPRING | 2 | |
FALL | 1 |
Canada | 2 | |
United States | 1 |