43. How does the plant prepare mineral food for you? 44. Will plants thrive in the same soil year after year? 45. How does the farmer rest his fields? 46. How does he give more food in the fields to the plants? 47. What is a seed? 48. Describe an egg. 49. Describe a seed. 50. What can you say of the shape and color of seeds? 51. How are seeds carried about? 52. Tell me something about leaves. 53. Tell me how plants breathe. 54. What is the work of leaf-green? 55. What about carbonic acid gas in the air? 56. What is the plant’s work in purifying the air? 57. What can you tell me of color in plants? 58. What are some of the dyes we get from plants? 59. What motions have plants? 60. What is the cause of motion in plants? 61. What can you say of climbing plants? 62. Describe the strawberry plant. 63. Describe the walking fern. 64. What can you tell me of coal? 65. What is the use of pollen in the plant? 66. Are stamens and pistils always in the same flower? 67. What is necessary to the production of good seed? 68. How do insects convey pollen from flower to flower? 69. What has the flower to tempt insects? 70. What has the plant to keep away certain insects? 71. Tell me about the methods of insects in getting honey. 72. What plants have the pollen carried by the wind? 73. Why does the insect visit the flower? 74. Of what color are the flowers that need night-flying insects? 75. What can you say about the scattering of seeds? 76. How are some seeds blown about? 77. How do birds help in carrying seeds? 78. What is there about seeds to attract the birds? 79 What can you tell me of air-plants? 80. How do they get their nourishment? 81. Tell me something about water-plants. 82. What two shapes of leaves do some water-plants have? 83. Of what shape are most of the leaves that grow under water? 84. Why do they have these fringe-like shapes? 85. Of what shape are leaves that lie upon the water? 86. What kind of leaves have plants that grow in sand? 87. What use do these leaves serve? 88. Why are most plants that grow in sand prickly? 89. What can you tell me of a cactus-plant? 90. What long name have animal-eating plants? 91. What kind of living things do these plants catch and eat? 92. Tell me about the sun-dew. 93. Tell me about the Venus’s fly-trap. 94. Tell me about the pitcher-plant. 95. How do plants foretell changes in the weather? 96. What plants are the best weather prophets? 97. What is the reason of this closing before rain? 98. Of what use is this habit to the flower or seed? 99. Describe a flower clock. 100. Tell me about the hours when some plants open and close. 101. Will these hours of opening change with the time of year? 102. What is it that causes this opening and shutting? 103. Tell me about the sleep of leaves. 104. Of what use is this sleep to the plants? II. 1. Describe a grasshopper. 2. What is the meaning of his various names?