ecology pt 2

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Across
  1. 4. fern spores that form in a structure
  2. 5. inherited characteristic that results from response to an environmental factor
  3. 8. life span of two years
  4. 9. structures that either store food or help absorb food
  5. 10. plants that lack specialized transport tissue
  6. 13. compact cluster of spore breathing structures.
  7. 14. liverworts are classified as
  8. 16. reproductive haploid cell with a hard outer coat that can develop into a new organism
  9. 17. plant that lives for several years
  10. 18. having a juicy pulpy texture
  11. 20. relationship in which two organisms live together
  12. 21. a structure that contains the male or female reproductive structures of a cycad
  13. 22. plant structure that contains an embryo
Down
  1. 1. Most immediately noticeable
  2. 2. roots and a thick undergound stem
  3. 3. plants with vascular tissue
  4. 6. any abiotic or biotic factors that restricts the existence, numbers, reproduction, or distribution of organisms
  5. 7. openings in the outer cell layer of leaves and some stems
  6. 11. located on the undersides of fronds
  7. 12. specialized transport tissue
  8. 15. plant with a long life span
  9. 19. a plant that lives anchored to another object or plant