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.
Invertebrates. Invertebrates are animals that do not have a backbone. They are are cold-blooded and their body temperature depends on the temperature of their environment. Invertebrates are divided into seven groups. he biggest group of invertebrates is the arthropods.This includes insects and spiders.ertebrates are animals that have a backbone. Vertebrates are divided into five groups Mammals, Birds, Amphibians and Fish. Amphibians Animals that spend part of their lives under water (breathing with gills) and the remainder on land (breathing with lungs).