Thirteenth week. Reproduction. Necessity for (a) perpetuation, (b) regeneration. Study of a typical flower to show sepals, petals, stamens, pistil. Functions of each part. Cross and longitudinal sections of ovary shown and drawn. Emphasis on essential organs. Pollination, self and cross. (Note. At least one field trip must be planned for the month of May. This trip will take up the following topics: The relations between flowers and insects. The food and shelter relation between plants and animals. Recognition of 5 to 10 common trees. Need of conservation of forests. An extra trip could well be taken to give child a little knowledge and love for spring flowers and awakening nature.)
Fourteenth week. Study of the Bee Or Butterfly with Reference to Adaptations for Insect Pollination. Study of an irregular flower to show adaptations for insect visitors. Fertilization begun. Growth of pollen tubes.
Fifteenth week. Fertilization Completed. Use of chart to show part played by egg and sperm cell. Ultimate result the formation of embryo and its growth under favorable conditions into young plant. Relation of flower and fruit, pea, or bean used for this purpose. Development of fleshy fruit. Apple used for this purpose.
Sixteenth week. Maturing of Parts and Storing of Food in Seed and Fruit. The devices for scattering the seeds and relation to future plants. Résumé of processes of nutrition to show how materials found in fruit and seed are obtained by the plant.
Seventeenth week. Plant Breeding. Factors: (a) selective planting, (b) cross-pollination, (c) hybridizing. Heredity and variation begun. Darwin and Burbank mentioned.
Eighteenth and nineteenth weeks. The Natural Resources of Man: Soil, Water, Plants, Animals. The relation of plant life to the above factors of the environment. The relation of insects to plants (forage and other crops) and the relation of birds to insects. Need for conservation of the helpful factors in the environment of plants. Attention called to some native birds as insect and wood destroyers.
Twentieth week. Review and Examinations.
Second Term
First week. The Balanced Aquarium. Study of conditions producing this. The rôle of green plants, the rôle of animals. What causes the balance. How the balance may be upset. The nitrogen cycle. What it means in the world outside the aquarium. Symbiosis as opposed to parasitism. Examples.
Second week. Study of the Paramœcium. Study of a hay infusion to show how environment reacts upon animals. Relation to environment. Study of cell under microscope to show reactions. Structure of cell. Response to stimuli, function of cilia, gullet, nucleus, contractile vacuoles, food vacuoles, asexual reproduction. Drawings to show how locomotion is performed, general structure. Copy chart for fine structure.