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1. • Ovule

     

     quizlet.com

     • Ovule: the structure in seed plants that develops into a seed after fertilization. It consists of one or two integuments forming its outer layers, the nucellus and the female gametophyte.
     www.sciencedirect.com/science/article/pii/S0960982215015584

     Fertilization Mechanisms in Flowering Plants - ScienceDirect

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   What is a seed ovule called?

   • Once it is fertilizable, it is referred to as an egg. Ovule: the structure in seed plants that develops into a seed after fertilization. It consists of one or two integuments forming its outer layers, the nucellus and the female gametophyte. Plasmogamy: fusion of the cytoplasm of two parent cells, including fusion of egg and sperm cells.

   Fertilization Mechanisms in Flowering Plants - ScienceDirect

   www.sciencedirect.com/science/article/pii/S0960982215015584

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   What is a central cell in a flowering plant?

   • Central cell as one of the key innovations of flowering plants is the biggest cell in the multicellular haploid female gametophyte (embryo sac). The embryo sac differentiates from the meiotic products through successive events of nuclear divisions, cellularization, and cell specification.

   Central Cell in Flowering Plants: Specification, Signaling, and

   www.ncbi.nlm.nih.gov/pmc/articles/PMC7609669/

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   What is ovule in a plant?

   • Ovule: the structure in seed plants that develops into a seed after fertilization. It consists of one or two integuments forming its outer layers, the nucellus and the female gametophyte. Plasmogamy: fusion of the cytoplasm of two parent cells, including fusion of egg and sperm cells.

   Fertilization Mechanisms in Flowering Plants: Current Biology | Cell Press

   www.cell.com/current-biology/fulltext/S0960-9822(15)01558-4

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   Why do flowering plants have two sperm cells?

   • But in flowering plants, two sperm cells fertilize the two adjacent dimorphic female gametes, the egg and central cell, respectively, to initiate the embryo and endosperm within a seed. The endosperm nourishes the embryo development and is also the major source of nutrition in cereals for humankind.

   Central Cell in Flowering Plants: Specification, Signaling, and

   www.ncbi.nlm.nih.gov/pmc/articles/PMC7609669/

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   How does a seed develop into a fruit?

   • The ovary, in the simplest case, develops into a fruit. In many plants, such as grasses and lettuce, the outer integument and ovary wall are completely fused, so seed and fruit form one entity; such seeds and fruits can logically be described together as “dispersal units,” or diaspores.

   Seed | Form, Function, Dispersal, & Germination | Britannica

   www.britannica.com/science/seed-plant-reproductive-part

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   What is a seed based on?

   • Essentially, a seed consists of a miniature undeveloped plant (the embryo), which, alone or in the company of stored food for its early development after germination, is surrounded by a protective coat (the testa).

   Seed | Form, Function, Dispersal, & Germination | Britannica

   www.britannica.com/science/seed-plant-reproductive-part

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3. www.ncbi.nlm.nih.gov › pmc › articlesCentral Cell in Flowering Plants: Specification, Signaling, and...

   www.ncbi.nlm.nih.gov › pmc › articles

   Oct 21, 2020 · But in flowering plants, two sperm cells fertilize the two adjacent dimorphic female gametes, the egg and central cell, respectively, to initiate the embryo and endosperm within a seed. The endosperm nourishes the embryo development and is also the major source of nutrition in cereals for humankind.

   • Author: Hong-Ju Li, Wei-Cai Yang
   • DOI: 10.3389/fpls.2020.590307

   • Publish Year: 2020
   • Publication: Front Plant Sci. 2020; 11: 590307.

4. www.cell.com › current-biology › fulltextFertilization Mechanisms in Flowering Plants - Cell Press

   www.cell.com › current-biology › fulltext

   Feb 8, 2016 · Following release of the two sperm cells, they interact and fuse with two dimorphic female gametes (the egg and the central cell) forming the major seed components embryo and endosperm, respectively. This process is known as double fertilization.

   • Author: Thomas Dresselhaus, Stefanie Sprunck, Gary M. Wessel

   • Publish Year: 2016

5. Videos

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     Fertilisation and Seed Formation

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     Introduction to Seed Plants

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     Seed germination explained. What is a seed? How do seeds grow?

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6. www.sciencedirect.com › science › articleFertilization Mechanisms in Flowering Plants - ScienceDirect

   www.sciencedirect.com › science › article

   Feb 8, 2016 · Oocyte: the cell in animals that develops into an egg. Once it is fertilizable, it is referred to as an egg. Ovule: the structure in seed plants that develops into a seed after fertilization. It consists of one or two integuments forming its outer layers, the nucellus and the female gametophyte.

   • Author: Thomas Dresselhaus, Stefanie Sprunck, Gary M. Wessel

   • Publish Year: 2016

7. bio.libretexts.org › Bookshelves › Botany2.6.3.2: Angiosperm Life Cycle - Biology LibreTexts

   bio.libretexts.org › Bookshelves › Botany

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   The seed (composed of an external seed coat, small embryo, and large endosperm) develops through the center of the image, transitioning into a mature sporophyte at the top. Diagram by LadyofHats, Public domain, via Wikimedia Commons.

8. bio.libretexts.org › Bookshelves › Introductory_and14.4: Seed Plants - Angiosperms - Biology LibreTexts

   bio.libretexts.org › Bookshelves › Introductory_and

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   Sep 22, 2021 · The ovary houses one or more ovules that will each develop into a seed upon fertilization. The male reproductive organs, the androecium or stamens, surround the central carpel. Stamens are composed of a thin stalk called a filament and a sac-like structure, the anther, in which microspores are produced by meiosis and develop into pollen grains.

9. www.britannica.com › science › seed-plantSeed | Form, Function, Dispersal, & Germination | Britannica

   www.britannica.com › science › seed-plant

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   4 days ago · In the typical flowering plant, or angiosperm, seeds are formed from bodies called ovules contained in the ovary, or basal part of the female plant structure, the pistil. The mature ovule contains in its central part a region called the nucellus that in turn contains an embryo sac with eight nuclei , each with one set of chromosomes (i.e., they ...

10. openstax.org › pages › 14-4-seed-plants-angiosperms14.4 Seed Plants: Angiosperms - Concepts of Biology - OpenStax

    openstax.org › pages › 14-4-seed-plants-angiosperms

    • Cached

    The ovary houses one or more ovules that will each develop into a seed upon fertilization. The male reproductive organs, the androecium or stamens , surround the central carpel. Stamens are composed of a thin stalk called a filament and a sac-like structure, the anther , in which microspores are produced by meiosis and develop into pollen grains.