http://en.wikipedia.org/wiki/Animal
Nearly all animals undergo some form of sexual reproduction.They have a few specialized reproductive cells, which undergo meiosis to produce smaller, motile spermatozoa or larger, non-motile ova.These fuse to form zygotes, which develop into new individuals.
Nearly all animals undergo some form of sexual reproduction.They have a few specialized reproductive cells, which undergo meiosis to produce smaller, motile spermatozoa or larger, non-motile ova.These fuse to form zygotes, which develop into new individuals.
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