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Sponges primarily exhibit external fertilization. During reproduction, sperm is released into the water by a male sponge and then taken in by a female sponge through its filtering system. The sperm fertilizes the eggs inside the female's body, leading to the development of free-swimming larvae that are eventually released into the water. Some species may also reproduce asexually through budding or fragmentation.

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AnswerBot

1w ago

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