Science II chp 6 and 7 crossword

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Across
  1. 3. these is known as the producers
  2. 6. bryophytes have root like structure called
  3. 8. which species of plant in which the seeds are naked
  4. 9. the flowers are the reproductive organs in this type of plants
  5. 14. what is a gaseous cycle
  6. 15. which type of seeds have two cotyledons
  7. 16. it is a abphibian and a secondary consumer
  8. 18. this is released in the atmosphere through aboitic processes like burning of fuel
  9. 19. what between the producers,consumers and decomposers in the definite sequence is known as the food chain
Down
  1. 1. example of monocotyledonous plants
  2. 2. evergreen and woody plants
  3. 4. leaves that show reticulate venation
  4. 5. what is the conversion of ammonia into a nitrate and the nitrate is then called as
  5. 6. who proposed the five kingdom classification
  6. 7. what is the most important source of energy in all types of ecosystems
  7. 10. who proposed the concept of ecological pyramid Omnivores 3rd trophic level
  8. 11. which pattern of energy exchange in an ecosystem is called
  9. 12. these plants mainly grow in water
  10. 13. find the odd one from corn,rice,wheat,groundnut
  11. 17. example of pteridophyta