the ability of a living organism to produce a large number of offspring or viable eggs or seeds
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肥沃性, 繁殖力
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a sexual orientation characterized by a lack of sexual attraction or desire for sexual activity
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アセクシャリティ
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a type of reproduction where a single organism can produce offspring without the involvement of another organism
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無性生殖, 性的関与のない繁殖
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the process of mating animals, plants, or microorganisms with desirable characteristics to produce offspring with those same traits
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繁殖, ブリーディング
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the eggs that an aquatic animal or an amphibian lays and are covered with a transparent layer
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産卵, 卵
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a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult
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幼虫
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to introduce male reproductive cells into the female reproductive system for reproduction
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受精する, 人工授精する
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the stage of the metamorphosis that comes between the larval and adult stages of a moth or butterfly
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蛹
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a male sex hormone, such as testosterone, that is responsible for the development and maintenance of male characteristics in humans and animals
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アンドロゲン
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the union of a sperm and an egg to form a zygote, which marks the beginning of sexual reproduction in organisms
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受精, 肥沃
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the parents, grandparents and the ancestors of an animal that are all purebred, or a certificate that proves this
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系譜, ペディグリー
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to make an animal or plant breed with a different type; to breed with a different animal or plant
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交配する, ハイブリッド化する
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to remove the sex organs of a domestic animal in order to keep it from reproduction
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去勢する, 不妊手術する
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to keep an egg in a favorable condition to help it develop until it hatches
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インキュベートする, 孵化させる
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all the young of a bird hatched at the same time, or the young of an animal cared for together
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ひな, ひな鳥
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an insect which is in an inactive transitory stage of its metamorphosis, between the larval and adult stages
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さなぎ, ニンフ
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the caterpillar of a silk moth that forms a cocoon during metamorphosis, which is later processed into silk
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繭虫, 蚕の幼虫
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a special cell used for reproduction, with sperm cells being the male gametes and egg cells being the female gametes
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生殖細胞
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to carry a developing embryo or fetus inside the uterus of a female mammal until it is ready to be born
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妊娠する, 抱える
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to produce offspring sexually, typically involving the union of male and female reproductive cells
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繁殖する, 子を産む
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ancestors of an animal, particularly while referring to the good characteristics that it has inherited from them
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血統, 血筋
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to go through a period of sexual activity or sexual aggression, especially in certain animals during their mating season
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繁殖行動を取る, 発情する
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the time between exposure to a pathogen and the onset of symptoms
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潜伏期間, インキュベーション期間
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to beget, procreate, or father offspring, typically used in reference to male animals
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父親になる, 生む
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to introduce semen into the reproductive system, often by artificial means
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人工授精する, 精液を導入する
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the smallest and most motile cells in the male reproductive system responsible for fertilizing the female egg
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精子, スperm
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