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Biology, 07.07.2019 19:00 hanjonez

This drawing shows the internal anatomy of a sponge. what does the arrow in the middle represent? a) the direction of the sponges travel through the water b) the flow of water through the body of a sponge c) the path sperm take to fertilize the egg of a sponge d) the path food takes through the digestive system of a sponge

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