What is the advantage of seeds? What are the advantages of flowers and fruit?
Homework Answers
Gymnosperms and angiosperms are spermatophytes, ie, seed bearing plants. Angiosperms are anthophytes, ie, flowering plants.
Flowers are the reproductive organs of plants. They enclose the reproductive parts, androecium and gynoecium, and therefore provide protection to these reproductive organs against abiotic (temperature, wind, humidity) and biotic (herbiovores) stresses. Brightly coloured flowers and those producing nectar and any kind of smell ensure pollination and therefore, fertilization and development of seed.
Fruits are the structures which develop post fertilization and enclose the seeds. They protect seed against biotic and abiotic stresses.
Seeds on the other hand are fertilised ovules. They enclose embryo and endosperm. Endosperm is the nutritive tissue for the developing embryo. Also, seeds help embryo to survive long period of environmental stresses and germinate in favourable conditions. Seeds are the structure which ensure continuation of generations.
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What is the advantage of seeds?
What are the advantages of flowers and fruit?
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What category would include a plant that contains vascular
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Write next to each line either conifer, angiosperm, or
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Which group of plants have phloem and xylem, seeds, flowers, and fruit and in many cases require animals for reproduction? Multiple Choice liverworts, hornworts, and mosses ferns, club mosses, horsetails, and whisk ferns ginkgo, cycads, conifers, and gnetophytes monocots and eudicots This is true of all groups of plants.
What category would include a plant that contains vascular
tissue, seeds enclosed in fruit, fibrous root system and flowers
with six petals?
Question 9 9 pts What caterory would include a plant that contains vascular tissue, seeds enclosed in fruit.ro root system and flowers with six petals? conifer fem monocot lycophyte o dicot Question 10 Which of the following terms is not paired correctly with its function!
Write next to each line either conifer, angiosperm, or
both
Compare the four plants bearing seeds: Angiosperms Conifers Double Fertilization Fruit formed Flowers Cones Strobili Alternation of Generation (gametophyte/sporophyte) Heterosporous Results of meiosis Pollen Archegonium Embryo with cotyledons (epicotyl, hypocotyl) Monoecious/Dioecious Ovary Ovule Fleshy Seeds
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