crossword=sam

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Across
  1. 2. organism
  2. 6. herbs, grasses, ferns, and mosses, typically
  3. 7. and products of the earth, as opposed to
  4. 9. in its leaves by photosynthesis using the green
  5. 12. living organism which feeds on organic matter,
  6. 13. having specialized sense organs and nervous
  7. 15. plants, animals, the landscape, and other
  8. 16. celestial body moving in an elliptical orbit round a star
  9. 17. and able to respond rapidly to stimuli.
  10. 18. plants of a particular region, habitat, or geological
Down
  1. 1. animals of a particular region, habitat, or geological
  2. 3. or human creations
  3. 4. who is studying or has expert knowledge of one or more of the natural or physical sciences
  4. 5. in a permanent site, absorbing water and
  5. 8. study of the structure and behaviour of the
  6. 10. substances through its roots, and synthesizing
  7. 11. and natural world through observation and
  8. 14. chlorophyll.