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Answers
The broad range of variation in the morphology and structure of nonreproductive (vegetative) organs within the angiosperms has been outlined above. There is a similarly broad range in the morphology and structure of the reproductive organs of the plant.
Many vegetative buds sooner or later become flower buds. Flower buds are modified leaves borne on a short axis with very short internodes and no axillary buds. The floral axis has determinate growth, in that at some point it ceases to grow.
Flowers, the reproductive tissues of the plant, contain the male and/or female organs. They may terminate short lateral branches or the main axis or both. Flowers may be borne singly (as in the daffodil and Magnolia) or in clusters called inflorescences (e.g., bromeliads, snapdragons, and sunflowers). Fruits are derived from the floral parts of the angiospermous plant.
A complete flower is composed of four organs attached to the floral stalk by a receptacle (Figure 11). From the base of the receptacle upward these four organs are the sepals, petals, stamens, and carpels. In dicots the organs are generally grouped in multiples of four or five (rarely in threes), and in monocots they are grouped in multiples of three.
Answer:
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Explanation:
6. Pollen Dispersal and Mating Patterns in Animal-Pollinated Plants. Laurence D. ... Studies in floral biology are largely concerned with how flowers function to ... they contemplate floral evolution is the question of how pollinators have driven ... are visited only by bumble bees often have imperfect capsules with no seed in.