Ecology Part 1

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Across
  1. 1. Fern spores in a structure
  2. 5. Plant that lives anchored to another object or plant
  3. 7. structures that either store food or help absorb for the tiny sporophyte
  4. 12. Scientist who studies fossils
  5. 13. plant completes its life span in one growing season or less
  6. 14. longest unit of time for the geologic time scale
  7. 16. Structure that contains the male or female reproductive structures of cycads and other gymnosperm plants
  8. 17. Preserved evidence of an organism
  9. 18. a plant structure that contains embryo and nutrients
Down
  1. 2. Sporophyte produces roots and a thick underground stem
  2. 3. Compact cluster of spore-bearing structures
  3. 4. plants can live for several years and usually produce flowers and seeds yearly
  4. 6. movement of several large plates that make up earths surface
  5. 8. Last hundreds of millions of years
  6. 9. Liverworts and classified as this
  7. 10. openings in the outer cell layers of leaves and some stems
  8. 11. plants life span of 2 years
  9. 12. Last tens of millions of years
  10. 14. Smallest units of geologic time
  11. 15. Cluster of sporangia