(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. 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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Keystone Species
Cause
extinctions of native species
Invasive
Species
Primary Succession
Habitat corridors
Breaks down into small pieces that are difficult to clean up and it enters the food chain.