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.
The three major groups of mammals are monotremes, which lay external eggs; marsupials, which carry their babies in a pouch; and placental mammals, which carry and gestate their fetuses internally. Humans fall into the category of placental mammals. Examples of monotremes and marsupials are the platypus and the kangaroo, respectively. Keep Learning.