Sponges comprise several scientific classes of simple animals that live attached to one place. Readers learn how these nonmoving animals attain food and reproduce. Color photographs engage readers and assist students in the study sponge anatomy and habitat.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.