living and non - living

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Across
  1. 3. Gas which is being inhaled by living things.
  2. 5. All living and non-living object contains this.
  3. 9. Part of a plant which grows upwards.
  4. 10. All living things have this feature.
  5. 11. A group of similiar living things that can reproduce among themselves.
  6. 13. Living things that depend on other living things for food.
  7. 15. Organisms with more than one cell.
  8. 17. The respond of roots and stems towards and against the earth.
  9. 18. All living things need this for energy.
Down
  1. 1. Part of a plant which grows downwards.
  2. 2. and night The time when plants perform photosynthesis.
  3. 4. The process of removing waste from the body.
  4. 6. The process of inhaling and exhaling gas.
  5. 7. Organisms with a single cell.
  6. 8. The respond of plants towards sunlight.
  7. 9. The object through which most plants are produced.
  8. 12. The structural and functional unit of a living thing.
  9. 14. Living things that make their own food.
  10. 16. The cell organ through which plants excrete.
  11. 17. The body organ through which fishes breathe.