1) Which of these elements are ecosystems? a) Buildings b) Land c) Galaxy d) Water 2) Choose the water ecosystems a) Water bottle b) Lake c) Puddle d) Rivers e) Oceans 3) Choose the land ecosystems a) Deserts b) Cities c) Forests d) Road e) Grasslands 4) Choose the correct order of the food chain a) Consumers, producers, decomposers b) Decomposers, consumers, producers c) Producers, consumers, decomposers d) Decomposers, producers, consumers e) Producers, decomposers, consumers 5) Which of these are producers? a) Cow b) Plants c) Shark d) Virus e) Algae 6) Which of these are consumers? a) Silkworm b) Plant c) Rabbit d) Horse e) Lion 7) Which of these are decomposers? a) Elephant b) Worm c) Spiders d) Giraffe e) Fly

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