What is the reproductive system of a sponge? They reproduce by broadcast-spawning: sending out huge numbers of sperm and eggs into the water and hoping that they meet. How do sponges reproduce when they can’t walk or swim? After fertilization in the sponge, a larva is released into the water. The ‘male’ sponge would release sperm into the water, which would travel and then enter a ‘female’ sponge. In sexual reproduction, they may play either role. Sponges may reproduce sexually and asexually.
5 Where does fertilization occur in sponges?.4 Why sponges are called hermaphrodites?.3 Do sponges reproduce sexually or asexually more?.
2 How do sponges reproduce when they can’t walk or swim?.
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