. Advanced biology. Biology; Physiology; Reproduction. CHAPTER XXIX REPRODUCTION OF HIGHER PLANTS. Insect pollination. Wind pollination. How are new plants formed f What is the function of a seed and of the fruit? What are some different types of fruits? A flowering plant consists of the nutritive organs, the roots, stems and leaves, and. the reproductive organs, which are found in the flower. The reproductive organs in the flower produce specialized cells, gametes, which function in sexual reproduction. Problem. Study of the tulip. If the tulip is not in season, the gladiolus, sedum, or any p
. Advanced biology. Biology; Physiology; Reproduction. CHAPTER XXIX REPRODUCTION OF HIGHER PLANTS. Insect pollination. Wind pollination. How are new plants formed f What is the function of a seed and of the fruit? What are some different types of fruits? A flowering plant consists of the nutritive organs, the roots, stems and leaves, and. the reproductive organs, which are found in the flower. The reproductive organs in the flower produce specialized cells, gametes, which function in sexual reproduction. Problem. Study of the tulip. If the tulip is not in season, the gladiolus, sedum, or any perfect flower may be used. (The flower was probably studied in elementary science, so certain facts learned at that time are not emphasized in this exercise.) I. Remove the three outer sepals and the tliree petals found within them. A. What is the relation of the position of these parts to the organs found in the center of the flower ? B. What are the functions of the sepals and petals? II. Locate the organs in the center of the flower. Why are they called essential organs? A. The single enlarged structure found in the center of the flower is the pistil. The upper end comprises the stigma. The lower part of the swollen stalk is the ovary. B. The strujctures with spear-shaped heads arranged around the pistil are the stamens. The heads of the stamens, the anthers, produce the pollen. How does the pollen escape from the anthers ? C. Draw a pistil. Label stigma and ovary. Draw a stamen. Label anther and pollen. 273. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wheat, Frank Merrill; Fitzpatrick, Elizabeth T. New York ; Boston [etc. ] : American Book Company
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