Fungal infections of the skin, hair, nailsResult from fungi that use keratin as a nutrient source and thus colonize only dead tissues Symptoms include a skin lesions that resembles a worm lying below the surface of the skin Can provoke cell mediated immune response that damages living tissues.
Classification of animals. All around the world many different types of animals are present. Many animals are quite similar to each other while others are different from others. So animals can be classified based on their similarities. The whole animal kingdom is divided into two main groups. They are Vertebrates and Invertebrates.
Plant and Animal Differences. Learn about mammals, insects, birds and plants as you sort them into different categories with this challenging animal activity. Teeth and Eating. Animals feature a wide variety of teeth shapes and sizes that relate to the type of food they eat. Investigate the teeth of herbivores, omnivores and carnivores.