b5 Flashcards
what is a communicable disease
a disease that can be transmitted from one organism to another
what is a pathogen
a microorganism that cause disease
name 4 types of pathogen
bacteria, fungi, protists, viruses
how can pathogens spread
air, water, direct contact
how do bacteria make you ill
produces toxins that damage tissues
how do viruses make you ill
reproduce rapidly inside cells, damaging or destroying them
name 2 examples of viral diseases
measles
HIV
name a prosiest disease
malaria
name 2 examples of bacterial disease
salmonella
gonorrhea
name 3 methods of controlling the spread of communicable diseases
good hygiene
vaccination
isolating infected induvial
name a fungal disease
rose black spot
how can the cause of a plant disease be identified
gardening websites
laboratory tests
what are 2 mechanical defenses that protect plants
thorns
leaves that curl/droop
give 2 physical defenses of a plant
bark on trees
tough waxy cuticles
how can aphids be controlled by gardeners
introduce ladybirds to eat the aphids
how can plant diseases be detected
areas of decay
stunted growth
discoloration
