Question

germs what are germs? directions: answer each question using the information about germs. 1. what are germs? 2. what are infectious agents? 3. where can germs be found? 4. what are four different types of germs? true or false 5. ______ bacteria are single - celled organisms, with no nucleus (center), which obtain nutrients from their environments. 6. ____ viruses need to use another cells structure to reproduce, meaning they are parasitic. 7. ____ protozoans are a type of plant and are the smallest living microbe. 8. ____ fungi are multicelled, plant - like organisms and obtain nutrition from plants, food, and animals in damp, warm environments. infectious agents bacterial germs immune system directions: select the best term for each sentence. 9. most ____ will not harm humans. 10. if you have a weakened ____ you are more likely to become ill from germs. 11. some ____ species are good for humans and help them digest food and obtain nutrients. 12. your immune system protects you against most ______.

Explanation:

1. Germs are tiny living things that can cause illness.
2. Infectious agents are substances that can cause an infection, such as germs.
3. Germs can be found in air, water, food, on surfaces and in the human body.
4. Four types are bacteria, viruses, protozoans, fungi.
5. True - Bacteria are single - celled with no nucleus and get nutrients from their environment.
6. True - Viruses are parasitic as they use other cells to reproduce.
7. False - Protozoans are not plants and not the smallest microbe.
8. True - Fungi are multicelled, plant - like and get nutrition from various sources in damp, warm places.
9. Germs - Most germs are harmless to humans.
10. Immune System - A weakened immune system makes one more prone to germ - related illness.
11. Bacterial - Some bacterial species aid in digestion.
12. Infectious Agents - The immune system protects against most infectious agents.

Answer:

1. Germs are tiny living things that can cause illness.
2. Infectious agents are substances that can cause an infection, such as germs.
3. Germs can be found in air, water, food, on surfaces and in the human body.
4. Bacteria, viruses, protozoans, fungi.
5. True
6. True
7. False
8. True
9. Germs
10. Immune System
11. Bacterial
12. Infectious Agents