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Reproduction

Sexual reproduction

Gamete

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A <sperm> is a male <gamete>, generally the smaller <gamete> type in an <anisogamy> system. During <fertilization>, its genetic contribution combines with that of an <ovum> to form a <zygote>.

A <sperm> is a <biological cell>, whereas <semen> is a fluid <mixture> that can contain many <sperm>. Movement and delivery differ among lineages: water-dependent swimming occurs in many non-seed <plants>, while a <pollen tube> supplies a different delivery route in <angiosperms>.

Sperm

Antheridium

Archegonium

Double fertilization

Epididymis

Heterospory

Microsporangium

Microspore

Ovulation

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Sperm

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Sperm

 Ancestors (5)

 Incoming links (18)

 Discussion (0)  Subscribe (1) New discussion

 Articles by others on the same topic (0)

 Discussion (0) New discussion