WebFeb 10, 2011 · Males and females have a single opening—called the cloaca—that is a dual-use organ for sex and excretion. Male birds and crocodylians have a penis that emerges from the cloaca to deliver sperm ... WebMar 13, 2014 · (Image credit: Stockxpert) A huge difference exists between the number of gametes men and women produce. At birth, women have 1 million to 2 million eggs, but only about 300,000 eggs will be left ...

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WebMay 20, 2024 · Sexual reproduction occurs in both plants and animals. Among plants it is used most notably by flowering plants. The pollen grains of flowers contain the sperm. The vase-shaped female reproductive … share cafe webinar

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WebThe talk about sex, often colloquially referred to as "the birds and the bees" or "the facts of life", is generally the occasion in most children's lives when their parents explain what sex is and how to do it.. According to tradition, "the birds and the bees" is a metaphorical story sometimes told to children in an attempt to explain the mechanics and results of sexual … WebBudding. Budding is a form of asexual reproduction that results from the outgrowth of a part of the body leading to a separation of the “bud” from the original organism and the formation of two individuals, one smaller than … Webreproductive behaviour, any activity directed toward perpetuation of a species. The enormous range of animal reproductive modes is matched by the variety of reproductive behaviour. Reproductive behaviour in animals includes all the events and actions that are directly involved in the process by which an organism generates at least one … sharecache 2 宏孚研发中心 宏孚共享资料 宏孚爆品清单 8月