germs
what are germs?
name
per. date:
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 a obtain nutrients.
12. your immune system protects you against most ____________.

Question

germs
what are germs?
name
per. date:
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 a obtain nutrients.
12. your immune system protects you against most ____________.

Accepted Answer

### Question 5
# Brief Explanations:
Bacteria are prokaryotes (single - celled, no nucleus) and they get nutrients from their environment. So the statement is true.
# Answer:
True

### Question 6
# Brief Explanations:
Viruses are obligate parasites. They need a host cell's machinery to reproduce. So the statement is true.
# Answer:
True

### Question 7
# Brief Explanations:
Protozoans are single - celled eukaryotes (not plants) and viruses are the smallest microbes (not protozoans). So the statement is false.
# Answer:
False

### Question 8
# Brief Explanations:
Fungi can be multi - celled (like molds) or single - celled (like yeasts). They are not plants, but they do obtain nutrients from organic matter in damp, warm places. However, the “plant - like” description is a misnomer in modern biology, but the main error is the “type of plant” part. Wait, actually, fungi are heterotrophic and have cell walls of chitin, unlike plants (cell walls of cellulose, autotrophic). But the statement says “multicelled, plant - like organisms and obtain nutrition from plants, food, and animals in damp, warm environments”. Fungi do obtain nutrients from organic matter (including plants, food, animals) in damp warm places, but they are not plants. However, the key part: protozoans are not plants, and the smallest microbe is virus. But for this question, the statement about protozoans being a type of plant is wrong. Wait, no, question 7 is about protozoans, question 8 is about fungi. Fungi are not plants. So the statement is false? Wait, no, let's re - check. Fungi: multicelled (many are), they are eukaryotes, not plants. They get nutrients from organic matter (decomposing or parasitic). So the statement says “plant - like organisms” which is incorrect as they are a separate kingdom. So the statement is false? Wait, maybe the question has a mistake, but according to the options, the statement “Fungi are multicelled, plant - like organisms and obtain nutrition from plants, food, and animals in damp, warm environments” is false because fungi are not plants.
# Answer:
False

### Question 9
# Brief Explanations:
Most germs (microbes) are harmless or even beneficial to humans. The options are “Infectious Agents”, “Germs”, “Bacterial”, “Immune System”. “Germs” is the correct term as most germs don't harm humans.
# Answer:
Germs

### Question 10
# Brief Explanations:
A weakened immune system means the body's defense against germs is low, so you are more likely to get ill. The options are “Infectious Agents”, “Germs”, “Bacterial”, “Immune System”. So “Immune System” is the correct term.
# Answer:
Immune System

### Question 11
# Brief Explanations:
Some bacterial species (like probiotics) help with digestion and are good for humans. The options are “Infectious Agents”, “Germs”, “Bacterial”, “Immune System”. So “Bacterial” is the correct term.
# Answer:
Bacterial

### Question 12
# Brief Explanations:
The immune system protects against infectious agents (germs). The options are “Infectious Agents”, “Germs”, “Bacterial”, “Immune System”. “Infectious Agents” (which are germs) are what the immune system protects against. So “Infectious Agents” or “Germs”. But from the table, the options are “Infectious Agents”, “Germs”, “Bacterial”, “Immune System”. The immune system protects against infectious agents (germs). So the correct term is “Infectious Agents” or “Germs”. But looking at the table, the left column is “Infectious Agents, Germs” and right is “Bacterial, Immune System”. So the sentence is “Your immune system protects you against most ________.” The answer should be “Infectious Agents” or “Germs”. Since “Germs” is in the left column, and the context is about what the immune system protects against (germs/infectious agents), “Infectious Agents” or “Germs”. But “Germs” is more direct. Wait, the table has “Infectious Agents” and “Germs” in the left, “Bacterial” and “Immune System” in the right. So the blank is to be filled with a term from the left or right? The directions say “Select the best term for each sentence” from the table. The table has two columns: left - Infectious Agents, Germs; right - Bacterial, Immune System. So for question 9: most germs (left column) don't harm. Question 10: weakened immune system (right column). Question 11: some bacterial (right column) species are good. Question 12: immune system protects against most infectious agents (left column) or germs (left column). So “Infectious Agents” or “Germs”. Since “Germs” is more common in this context, but let's check the table. The left column is “Infectious Agents” and “Germs”, right is “Bacterial” and “Immune System”. So the answer is “Infectious Agents” or “Germs”. But “Germs” is a better fit.
# Answer:
Infectious Agents (or Germs, but based on the table, Infectious Agents is also correct. However, “Germs” is more direct in the context of the question)

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