Distribution and Habitat. Ring-tailed lemurs are found in the southwest portion of Madagascar. They live in arid, open areas and forests. Ring-tailed lemurs live in territories that range from 15 to 57 acres (0.06 to 0.2 km 2) in size.
Death due to disease is called death by natural causes. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease.nfectious. Infectious diseases, also known as transmissible diseases or communicable diseases, comprise clinically evident illness (i.e., characteristic medical signs and/or symptoms of disease) resulting from the infection, presence and growth of pathogenic biological agents in an individual host organism.
A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism. The causal study of disease is called pathology.Disease is often construed as a medical condition associated with specific symptoms and signs. It may be caused by factors originally from an external source, such as infectious disease, or it may be caused by internal dysfunctions, such as autoimmune diseases.on-infectious diseases are all other diseases, including most forms of cancer, heart disease, and genetic disease. Illness. Illness and sickness are generally used as synonyms for disease. However, this term is occasionally used to refer specifically to the patient's personal experience of his or her disease.