Plants, Photosynthesis and Respiration

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Across
  1. 3. The great ___________ event provided the oxygen needed for the atmosphere 2.3 billion years ago
  2. 5. The organelle performing photosynthesis
  3. 6. A green pigment that helps to absorb light for photosynthesis
  4. 9. Plants can convert glucose into ___________ and oils for long-term storage
  5. 10. The organelle performing cellular respiration
  6. 13. An ___________ reaction releases heat
  7. 14. The ____________ tissue describes the tubes used by plants to carry substances inside of it
  8. 15. A ___________ assists in spreading pollen for plants
  9. 16. Spores and ___________ are two forms from which a new plant can grow
  10. 19. A chemical reaction producing carbon dioxide and water for all living things
  11. 20. The type of sugar used in respiration
  12. 22. Animals provide oxygen to their cells and remove carbon dioxide by __________
Down
  1. 1. A chemical reaction producing glucose and oxygen for plants
  2. 2. Microscopic organisms that carry out photosynthesis in the ocean
  3. 4. An ___________ is a plant with true flower A colourful part of the plant to attract animals
  4. 7. A structure in the cell with a specific function
  5. 8. A type of bacteria that carries out photosynthesis
  6. 11. energy is used by organisms to grow, repair damage, and ____________
  7. 12. transports water in plants
  8. 15. transports nutrients in plants
  9. 17. An ___________ reaction absorbs heat
  10. 18. This plant is the most commonly known pteridophyte
  11. 21. A plant must absorb ___________ in order to photosynthesise