the different types of pathogen that can cause communicable diseases in plants and animals
tuberculosis
a disease that affects many parts of the body, killing the cells and tissues; the lungs are the most affected
caused by: bacteria
ring rot (in plants)
ring of decay in the vascular tissue of a potato tuber or tomato, accompanied by leaf wilting
caused by: bacterium
HIV/AIDS
attacks cells in the immune system and compromises the immune response
caused by: virus
influenza
attacks cells in the immune system and causes muscle pains and headaches
caused by: virus
tobacco mosaic virus
causes mottling and discolouration of leaves
caused by: virus
malaria
parasite in the blood that causes headache and fever and may progress to coma and death
caused by: protoctista
blight (potatoes and tomatoes)
affects both leaves and potato tubers
black sigatoka
causes leaf spots on banana plants reducing yield
caused by: fungus
athlete’s foot
growth of fungus in skin with spore cases erupting through skin to cause a rash
caused by: fungus