Reproduction and Growth of Plants

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Asexual reproduction Noun

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[ay-sek-shoo-uhl ree-pro-duhk-shuhn]

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Asexual reproduction

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A type of reproduction where a new organism develops from a single parent, resulting in genetically identical offspring.

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Example: A hydra reproduces asexually by budding, where a new hydra grows from the parent and becomes independent.

Front

Sexual reproduction Noun

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[sek-shoo-uhl ree-pro-duhk-shuhn]

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Sexual reproduction

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A type of reproduction involving the combination of genetic material from two parents to produce a genetically unique offspring.

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Example: The image shows how pollen is transferred between flowers, leading to the production of seeds and new plants.

Front

Stolon Noun

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[stoh-lon]

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Stolon

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A slender stem that grows horizontally along the ground, giving rise to new plants from buds at its tips.

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Example: A stolon is shown growing horizontally with new plants forming at its tips.

Front

Sperm Noun

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[spurm]

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Sperm

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The male reproductive cell, or gamete, which is essential for sexual reproduction in most organisms, including plants.

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Example: The image shows a sperm cell with labeled parts like the head, middle piece, and tail, explaining its structure and function in reproduction.

Front

Egg Noun

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[eg]

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Egg

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The female reproductive cell, or gamete, which contains the genetic material to be fertilized during sexual reproduction.

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Example: The diagram labels the parts of an egg, showing its structure and components like yolk and membranes.

Front

Spore Noun

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[spor]

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Spore

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A reproductive cell capable of developing into a new individual without fusion, characteristic of seedless plants like ferns.

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Example: The image shows fern spores, illustrating how they develop into new plants without fusion.

Front

Pollen Noun

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[pol-uhn]

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Pollen

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A fine powder produced by seed plants, containing the male sperm cells needed for fertilization during sexual reproduction.

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Example: The image shows pollen being produced in the anther of a flower, highlighting its role in plant reproduction.

Front

Pistil Noun

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[pis-til]

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Pistil

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The female reproductive organ of a flower, typically consisting of the stigma, style, and ovary containing eggs.

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Example: The diagram shows the pistil, the flower's female part, including the ovary and ovule.

Front

Stamen Noun

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[stey-muhn]

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Stamen

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The male reproductive organ of a flower, which produces pollen and typically consists of an anther and a filament.

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Example: The image shows the stamen of a flower, highlighting the anther and filament where pollen is produced.

Front

Cone Noun

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[kohn]

Back

Cone

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The reproductive structure of nonflowering seed plants, which can be male (producing pollen) or female (containing eggs).

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Example: The image shows a female cone's structure, highlighting parts like the seed scale and ovule, explaining its role in plant reproduction.