PATHOGENS

Master pathogens and disease! Biology worksheet for grades 9-12.

Matching Match the term with the appropriate definition. A condition that prevents the body from functioning properly disease An organism that transmits a disease vector biological agent that causes disease or illness to its host pathogen A weakened or dead form of the pathogen that stimulates the immune system vaccine organism that nourishes and supports a parasite host a medicine that destroys harmful bacteria antibiotic Drag the term to the correct category. Pathogens Bacteria Viruses Fungi Parasites Vectors Mosquitoes Ticks Sort the diseases based on the type of pathogens that cause it. Fungus Athlete's Foot Ringworm Parasite Malaria Viruses Flu AIDS Measles Bacteria Salmonella Strep Throat Typhoid Fever a widespread occurrence of a disease epidemic a sudden or spontaneous occurrence of a disease outbreak occurrence of disease that is prevalent throughout an entire country, continent, or the whole world pandemic Many diseases caused by bacteria have been brought under control through the use of antibiotics. Scientists are working on developing substances that prevent virus infections. These are drugs called vaccines . Fungi can invade many parts of the body. They can cause skin infections to more serious problems with bones, lungs and heart. Some fungal infections can be treated with anti-fungal creams, shampoos, and other medicine. Sort fact to pathogen Chose the correct fact that describes the pathogen Virus non living needs host to reproduce no treatment some can be prevented by vaccines Bacteria living most are good; some are bad treated with antibiotics can be prevented by washing hands and avoiding contagious people If a person is suffering from a severe infection caused by bacteria, which solution might a doctor propose? antibiotic surgery exercise vaccine Jake went hiking and drank water from a stream he crossed. He became ill with nausea, vomiting, and stomach cramps. Which explanation best describes why he is ill? He was exposed to a mutagen from the water he drank. He suffered from dehydration and exhaustion. He drank water contaminated by a parasite. His stomach muscles went in to lactic acid fermentation. What would probably happen if Demario shared a drinking glass with his friend who was sick with the flu and had a fever? Demario would develop immunity from the flu and not get sick. Demario would develop a fever, but no other symptoms. Demario would get sick with a different strain of the flu. Demario would become sick with the flu in a few days.