More cards in this set

Card 16

Front

what are the sequence of nateral selection ?

Back

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Card 17

Front

how does agraculture influence environment ?

Back

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Card 18

Front

how does towns and industries influence enviroment ?

Back

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Card 19

Front

what is a indicator species ?

Back

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Card 20

Front

what does sustainable development means ?

Back

Preview of the front of card 20

Card 21

Front

how do people protect whales?

Back

Preview of the front of card 21