1) We can find coral reef in a) oceans b) rivers 2) They get their energy from eating plants or animals a) plants b) animals 3) Which type of trees lose their leaves? a) Dedicious b) Evergreen 4) Rock, water and soil are... a) Abiotic factors b) Biotic factors 5) They haven't got backbones a) Vertebrates b) Invertebrates

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