11646836
Description
Flashcards by lily bevan, updated more than 1 year ago
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Created by lily bevan
over 6 years ago
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| Question | Answer |
| How can pathogens be passed between organisms? | + in body fluids & waste products + In contaminated food & water + by touch |
| How are people infected by the flu? | Through a virus in droplets of body fluids in the air & on surfaces. Someone is infected when these droplets are inhaled or transferred from hand to nose, mouth, or eye. |
| How are people infected by salmonella? | Through a bacterium in food & water. People are infected when they ingest this food/water. |
| How are people infected by athlete's foot? | Through a fungus found on surfaces. People are infected when the come into contact with these surfaces. |
| How are people infected by malaria? | Through a protist carried by mosquitoes. People are infected when bitten & introduced to their saliva. |
| What is a sexually transmitted infection (STI)? | diseases spread by unprotected sex or genital contact. |
| What STIs are caused by bacteria? | Chlamydia & gonorrhoea |
| What STI is caused by viruses? | Genital warts. |
| How is human immunodeficiency virus (HIV) spread? | Through semen & blood. |
| What are the impacts of plant & animal diseases? | They can damage ecosystems & for chains, & disrupt our supply of food. |
| What is Crown gall disease? | A disease passed via bacteria that infects grapes, stone fruit & nut trees, & sugar beet. It is spread via soil, water, & farming tools. |
| What is ash dieback? | A disease passed on via a fungus which infects ash trees. It is spread by spores carried by wind, & movement of contaminated plant material. |
| What is tobacco mosaic virus | A disease spread via a virus that infects tobacco, tomato, bell pepper, cucumber, & some flowers. It is spread by direct contact & contaminated seeds. |
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