(Print) Use this randomly generated list as your call list when playing the game. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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I-Brings Diseases
I-Competition for Food
P-More plastic
P-Industrial Activities
I-Predation of Native Species
P-The discharge of chemicals into the environment
P-Increase in Global Warming
O-Poor soil conservation
O-Disruption of food chain
P-Increase in use of resources
O-Overconsumption of Resources
H-Agriculture
P-Heavy metals
H-Deforestation
P-Excess of nutrients in system
P-Increasing human populations brings increasing threats
O-Illegal wildlife hunting
P-Increases greenhouse gases
H-Fishing
I-Reduces Biodiversity
H-Mining
I-When an organism moves into a new area
O-Extreme use of resources that diminishes returns
H-Land is converted from a usable to an unusable habitat