The document discusses the classification of living things into kingdoms, with animals and plants making up the Animal and Plant Kingdoms. It describes how animals can be classified as vertebrates or invertebrates based on having a backbone, and lists examples of vertebrate groups like mammals, birds, reptiles, amphibians and fish. Invertebrates mentioned include molluscs, arthropods and worms. Arthropods are noted as having three body parts: a head, thorax and abdomen. The document also covers herbivores, carnivores and omnivores based on whether they eat plants, other animals, or both.