biol 120 exam 2 review

1234567891011121314151617181920212223242526272829303132333435
Across
  1. 4. agriculture evolved 10-12 ___ years ago
  2. 5. structure that contains a plant embryo and endosperm
  3. 8. plant crystals found in epidermal cells
  4. 10. type of root system in dicots
  5. 12. possible pollinator for a red flower with a long floral tube
  6. 13. develops from the ovule after fertilization
  7. 14. embryonic seed leaf
  8. 16. one of the primary functions of the fruit
  9. 18. ancestor to corn
  10. 23. plant hormone responsible for phototropism
  11. 24. number of layers in a pericarp
  12. 25. part of the stamen that makes pollen
  13. 26. top part of the carpel
  14. 28. mechanism of evolution where humans select what traits are passed down is ___ selection
  15. 29. food reserves for a developing embryo within the seed
  16. 31. male part of the flower
  17. 32. einkorn and emmer are types of ___
  18. 33. flower that has sepals, petals, stamens, and carpels
  19. 34. union of egg and sperm
  20. 35. study of pollen
Down
  1. 1. cell with three copies of every chromosome
  2. 2. plant with one cotyledon
  3. 3. sugary floral reward for pollinators
  4. 6. major legume crop to be domesticated from Asia
  5. 7. this bee is different from other bees because it lives socially
  6. 9. mode of dispersal for samaras
  7. 11. transfer of pollen from anther to stigma
  8. 12. chemical messenger
  9. 14. female part of the flower
  10. 15. flowering plant
  11. 17. fertilization of the ___ nuclei makes the endosperm
  12. 19. part of the flower a fruit develops from
  13. 20. type of wheat used to make pasta
  14. 21. type of fruit from multiple carpels on a single flower
  15. 22. fruit that opens at maturity
  16. 27. stalk of the stamen
  17. 30. when mature grains naturally disperse from a grass plant