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sea stars have spiny skin to protect themself. they usually have 5 arms some speicies have as many as 30 arms. they have suction cups to help them stick to hard surfaces or helps them to pry open shells of its prey.seastars are 0.4 inches (1centimeter)to almost 3 feet (91 centimeters)across. they are large enough to hold digestive and reproductive organs.

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don't think it's to long cause it's not!!!!!!!!!!

thanks for reading!!!!!!!

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13y ago

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