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Words near each other
・ Reproductive Health Matters
・ Reproductive Health Supplies Coalition
・ Reproductive immunology
・ Reproductive initials
・ Reproductive isolation
・ Reproductive justice
・ Reproductive life plan
・ Reproductive medicine
・ Reproductive rights
・ Reproductive rights in Latin America
・ Reproductive Sciences
・ Reproductive success
・ Reproductive suppression
・ Reproductive surgery
・ Reproductive synchrony
Reproductive system
・ Reproductive system disease
・ Reproductive system of gastropods
・ Reproductive system of planarians
・ Reproductive technology
・ Reproductive toxicity
・ Reproductive Toxicology
・ Reproductive value
・ Reproductive value (population genetics)
・ Reproductive value (social psychology)
・ Reproductive-cell cycle theory
・ Reprogenetics
・ Reprogramming
・ Reprographics (webcomic)
・ Reprography


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Reproductive system : ウィキペディア英語版
Reproductive system

The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of sexual reproduction. Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system.〔( Introduction to the Reproductive System. ) , Epidemiology and End Results (SEER) Program. 〕 Unlike most organ systems, the sexes of differentiated species often have significant differences. These differences allow for a combination of genetic material between two individuals, which allows for the possibility of greater genetic fitness of the offspring.〔( Reproductive System 2001 ) Body Guide powered by Adam〕
==Plants==

(詳細はflowers, which are the reproductive structures of angiosperms, are the most varied physically and show a correspondingly great diversity in methods of reproduction. Plants that are not flowering plants (green algae, mosses, liverworts, hornworts, ferns and gymnosperms such as conifers) also have complex interplays between morphological adaptation and environmental factors in their sexual reproduction. The breeding system, or how the sperm from one plant fertilizes the ovum of another, depends on the reproductive morphology, and is the single most important determinant of the genetic structure of nonclonal plant populations. Christian Konrad Sprengel (1793) studied the reproduction of flowering plants and for the first time it was understood that the pollination process involved both biotic and abiotic interactions.

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