Eight ecosystems - forests, oceans, deserts, poles, mountains, wetlands, plains, and cities are described for their specificity, the species that inhabit them, and the involvement of humans in each. This book is a tribute to the beauty of the earth, and it urges us to preserve it.
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.