"Vertebrates make up the majority of the animal kingdom. Learn about the importance of a backbone to some species and the unique structures and movements of those without one. Readers will use visual clues to apply their learning in classifying different examples of vertebrates and invertebrates"--Provided by publisher.
"All living things require energy to survive. Some animals can live off plants, while others must hunt prey to stay alive. Read all about the distinctions between herbivores and carnivores, their defining characteristics, and the importance of each group in the food chain"--Amazon.com.