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Seed plant


Seed Plants (Division Spermatopsida)
Gymnosperms
Fossil from the Devonian period reveal fernlike plants that were heterosporous; that is, produced two kinds of spores.
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seed plants retain the female gametophyte on the sporophyte
Spores/Pollen
spores for resisting environmental degradation ...
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seed plant Common term for gymnosperms and angiosperms.
seed-scale complex The spirally arranged scales on a female strobilus in gymnosperms.
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seed plant
any plant that bears seeds. Most seed plants, have flowers and produce seeds in fruits; some, such as the pines, form seeds on cones.
Covered in Lab 8 Seed Plant Reproduction
segment
a division; a section.
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Early seed plants are referred to as gymnosperms (naked seeds), as the seed embryo is not enclosed in a protective structure at pollination, with the pollen landing directly on the embryo.
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ovule -- In seed plants, the structure which gives rise to the seed.
paleoherb -- Any member of a group of basal flowering herbs which may be the closest relatives of the monocots. They include the water lilies, Piperales, and Aristolochiales.
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The spermatophytes (also known as phanerogams) comprise those plants that produce seeds.
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a characteristic reproductive structure of seed plants that consists of an embryo, enclosed by a seed coat, and a food-storage tissue; see endosperm
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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For example, the gene for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r). A true-breeding round seed plant would be (RR) for that trait and a true-breeding wrinkled ...
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26 Protists
27 Fungi
28 Seedless Plants
29 Seed Plants
30 Sponges, Cnidarians, Flatworms, Roundworms
31 Mollusks, Annelids, Arthropods
32 Echinoderms, Chordates
33 Animal Tissues ...
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In plants, a haploid (n) spore that develops into a male gametophyte; in seed plants, it becomes a pollen grain.
microtubule
[Gk. mikros, small + L. dim. of tubus, tube] ...
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: The union of one male gametophyte nucleus with the ovum nucleus and another male gametophyte nucleus with the polar nuclei to form the endosperm in seed plants. See also
pollen grain
.
Double heterozygote ...
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