Compléter SpongesVersion en ligne Select the word to fill in the blanks. par Virtual School Bahamas 1 Sponges are animals . Sponges are . They usually remain in one place all their lives . Sponges are filter . They filter tiny particles of from the water . A sponge has two layers of cells . The outer covering of the sponge's body is covered with tiny holes called . Thread like structures remove the tiny pieces of food from the water . The water then flows out through an opening called a . Sponges have like parts that give them shape . Different species of sponges have different colors , shapes and . Sponges are found on in The Bahamas . At one time , Bahamian fishermen harvested sponges which were sold to foreign where sponges were processed into a variety of household items that could be used for and bathing .