The Best Plants

Edit Answers
123456789101112131415161718192021222324252627282930
Across
  1. 2. flowering plants
  2. 3. a plant's response to the number of hours of darkness in it's environment
  3. 6. a plant's response to touch
  4. 8. any changes in an organism's environment that cause a response
  5. 10. the ovary, and sometimes other parts of the flower, will develop into this, which contains one or more seeds
  6. 12. the process during which a nucleus and its contents divide
  7. 17. a plant's response to gravity
  8. 19. when pollen grains land on a female reproductive structure of a plant that is the same species as the pollen grains
  9. 20. plant hormone that causes increased growth
  10. 21. forms from tissue in a male reproductive structure of a seed plant
  11. 22. the growth of a plant toward or away from light
  12. 24. made up of an embryo, its food supply, and a protective covering
  13. 25. the vascular tissues that transport materials through a plant
  14. 27. a response that results in plant growth toward or away from a stimulus
  15. 28. hormones produced in root tips that increase the rate of cell division, and occasionally slow the aging process of flowers and fruit
  16. 29. when the life cycle of an organism alternates between diploid and haploid generations
  17. 30. hormones produced in rapidly growing areas of a plant that increase the rate of cell division and elongation
Down
  1. 1. substances that act as chemical messengers within plants
  2. 4. the daughter cells produced from haploid structures
  3. 5. a flowerless seed plant
  4. 7. the female reproductive organ of a flower
  5. 9. plants that flower when exposed to less than 10-12 hours of darkness per day
  6. 11. plant hormone that helps stimulate the ripening of fruit
  7. 13. the female reproductive structure of a seed plant where the haploid egg develops
  8. 14. the male reproductive organ of a flower
  9. 15. a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP
  10. 16. the pigment that absorbs light for photosynthesis
  11. 18. an immature diploid plant that develops from the zygote
  12. 23. a thing at the base of the style which contains one or more ovules
  13. 26. a series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose and give off oxygen