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.
Animal tissues are of four basic types: Epithelial, Connective, Muscular and Neural tissues. Multiple tissues compose organs and body structures. Generally animals are said to made up of these basic four type of tissues, but the presence of these tissues may differ, depending on the type of organism.