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Science:Chapter 21
| Question | Answer |
|---|---|
| Does bacteria need a Host? | No |
| Does a virus need a host? | Yes. |
| Does a parasite need a host? How? | Yes. To feed. |
| What does a parasite do? | It gets food from another organism |
| Is bacteria living or non-living? | Living |
| Is a virus livinf or non-living? | Non-living |
| Is a parasite living or non-living? | Living |
| What are examples of diseases that are caused by bacteria? | Strep throat, Sinus infection, Tuberculesis |
| What are some treatments for bacteria? | antibiotocs |
| What are examples of diseases that are caused by viruses? | Cold, Flu, HIV/AIDS |
| What are some treatments for viruses? | rest and plenty of fluids or drug therapy. |
| What are examples of diseases that are caused by parasites? | Malaria, Athletes foot, Elephantiasis. |
| What are some treatments for parasites? | Drug treatments |
| What are pathogens? | Organisms, viruses, or other microbes that causes disease |
| What are mutagens? | Substances that cause a person's cells to mutate or change form. Examples- x-rays and cigarette smoke |
| Sunlight can cause _____________? | Skin cancer |
| What is a vector? | Transmit a pathogen from a host to a new organism. Example-a mosquito bites animal feed with malaria and then bites a person. |
| What is a carrier? | An organism that passes diseases to others even though they might not feel sick. Example-A human with HIV can tranmit HIV virus to another human being even they do not show any symptoms |
| What is passes from one living thing to another? | An infectious disease |
| How are infectious diseases transmitted? | Coughing, Sneezing, Direct or indirect contact |
| What are 4 examples of infectious diseases? | Mumps, Chicken Pox, STD's, Measles |
| When does an non-infectious disease usually developes? | Due to a mutation in the DNA |
| What are 3 examples of non-infectious diseases? | Cancer, Cysatic Fibrosis, MS (Multiple Sclerosis) |