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Answers:
1. Picture1. zebra;Picture 2. whale;Picture 3. cow; Picture 4. tree frog; Picture 5. scorpion;Picture 6. penguin;Picture7. crocodile
2. grassland-zebra; farmland-cow; rivers&lakes-crocodile; on the coast& in the sea-penguin; oceans-whale; desert-scorpion; rainforest-tree frog