Exam 2 Review

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Across
  1. 3. brown rice is made of the __, endosperm, and germ
  2. 6. union of egg and sperm
  3. 8. the stalk of the stamen
  4. 13. possible pollinator for a red flower with a long floral tube
  5. 15. number of layers in a pericarp
  6. 18. when mature grains naturally disperse from a grass plant
  7. 19. fertilization of the ___ nuclei creates the endosperm
  8. 21. refined flour is made from this part of the grain
  9. 22. mechanism of evolution where organisms that are best adapted survive to reproduce is ____ selection
  10. 24. plant crystal found in epidermal cells
  11. 27. chemical messenger
  12. 29. major grass crop to be domesticated from central America
  13. 30. sugary floral reward for pollinators
  14. 32. starchy nutrition found in a seed
  15. 33. type of fruit from multiple carpels from multiple flowers
  16. 34. a fruit that opens at maturity
  17. 35. ____ ethanol is made from inedible grasses like switchgrass and Miscanthus
  18. 36. the top part of the carpel
  19. 37. mode of dispersal for samaras
  20. 40. flowering plant
  21. 43. einkorn and emmer are types of ___
  22. 45. develops from the ovule after fertilization
Down
  1. 1. transfer of pollen from anther to stigma
  2. 2. flower that has sepals, petals, stamens, and carpels
  3. 4. mechanism of evolution where humans select what traits are passed down is ___ selection
  4. 5. type of root system in dicots
  5. 7. the number of fertilizations that occur within an angiosperm ovule
  6. 9. plant hormone responsible for phototropism
  7. 10. part of the flower a fruit develops from
  8. 11. structure that contains a plant embryo and endosperm
  9. 12. type of fruit from multiple carpels on a single flower
  10. 14. renewable form of ethanol
  11. 16. this bee is different from other bees because it lives socially
  12. 17. type of wheat used to make pasta
  13. 18. crop that is the major source of bioethanol in Brazil
  14. 20. male part of the flower
  15. 23. ancestor to corn
  16. 25. cell with three copies of every chromosome
  17. 26. one of the primary functions of the fruit
  18. 28. major grass crop to be domesticated from Asia
  19. 31. embryonic seed leaf
  20. 37. plants in the Poaceae family are pollinated by ___
  21. 38. female part of the flower
  22. 39. plant with one cotyledon
  23. 41. Latin name of the family all grasses are in
  24. 42. agriculture evolved 10-12 ____ years ago
  25. 44. part of the stamen that makes pollen