Animals depend on other things in the environment for food
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animals digest their food and protiens, carboydrates and fats in food are broken down into simpler molecules taht can move into the animals cells
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it lines the inside of the sponge & their flagella moves water through the sponge to help it feed
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Moves water through the sponge
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Provides support and protection from predators
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allows water to flow in and allow the filteration of water
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Fibrous material that is found in soft bodied natural sponges. it can also provide support for a sponge.