Structure of a sperm

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A highly effective tail is needed in order for a sperm to be able to swim, and for a baby to be conceived.As a member, you'll also get unlimited access to over 79, lessons in math, English, science, history, and more.Echinoderms - Fertilization Sperm structure and motility.For reproduction, most fish species adopt external fertilization: their spermatozoa are delivered in the external milieu marine- or freshwater that represents both a drastic environment and a source of signals that control the motility function.The male and female reproductive gametes sperm and egg have specialised structures which reflect their functions.Spermalso called spermatozoonplural spermatozoamale reproductive cellproduced by most animals.

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Fertilization is an essential biological process in sexual reproduction and comprises a series of molecular interactions between the sperm and egg.Not a MyNAP member yet?The spermatozoa of different groups of animals exhibit great variety of form.

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