|   fruit | Question 11.11. A mature ovary specialized as a vessel that houses and protects seeds is know as _____. |  ovule
 cotyledon
 seed
 | 
  
    |   stems, flowers, leaves | Question 12.12. The vegetatvie (i.e. nonreproducing) structures of flowering plants include: |  roots, stems, seeds
 stems, leaves, roots
 stems, roots, fruits
 | 
  
    |   True | Question 13.13. If you have an ivy plant that has been growing in the same pot for several years you should probably add some fertilizer because the nutrients from the soil may become depleted. For example your plant may need calcium, magnesium and potassium. |  False
 | 
  
    |   True | Question 14.14. If you wanted to design a new flower bed with native wildflowers (butterfly garden for instance) you would want to ensure that the soil did not contain any rocks or clay particles which trap water. |  False
 | 
  
    |   True | Question 15.15. Guard cells open and close stomata and are affected by water and potassium, carbon dioxide and sunlight. |  False
 | 
  
       |     fruit  | Question 11.11. A mature ovary specialized as  a vessel that houses and protects seeds is know as _____. |  ovule
 cotyledon
 seed
 | 
    
Q11. Fruit
 A mature ovary, specialized as a vessel that houses and protects seeds, is a fruit
 Q12. the roots, stems, and leaves
 The vegetative structures of a flowering plant include the root, stem, and leaves