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Gyting

Gyting er formering og befruktning som skjer utenfor dyrekroppen, og er mest vanlig hos dyr som lever i vann.

Gyting skjer da ved at hunnen slipper sine egg i vannmassene, og at en hann tilsvarende slipper sine spermier, som oftest samtidig og i nærheten av hunnens egg.

Typiske arter som gyter er fisk og amfibier, mens de fleste pattedyr og insekter har indre befruktning.

Coho laks som gyter i Salmon River, Oregon i USA.

Film av: Bureau of Land Management

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