Level 1
Name:
Date:
Subject: Pathogens in the environment
HOMEWORK#2
Directions: Answer using complete sentences! Use the information you have been given to answer questions about:
Pathogens in the environment
Pathogens in the environment
In many cases, diseases start with pathogens in the environment. Many different living and non-living things can be
pathogens. Bacteria and viruses are examples of pathogens. Many pathogens are carried from one place to another by
insects and animals. These living things are called carriers. Ticks are carriers of Lyme disease. Wearing long sleeves
and using insect spray can reduce your risk of getting Lyme disease.
pathogens. Bacteria and viruses are examples of pathogens. Many pathogens are carried from one place to another by
insects and animals. These living things are called carriers. Ticks are carriers of Lyme disease. Wearing long sleeves
and using insect spray can reduce your risk of getting Lyme disease.
1. How are pathogens carried from place to place?
2. What are the living things that carry pathogens from place to place called?
3. What can a person do to reduce their risk of getting Lyme disease?
Level 2
Name:
Date:
Subject: Pathogens in the environment
HOMEWORK#2
Directions: Answer using complete sentences! Use the information you have been given to answer questions about:
Pathogens in the environment
Pathogens in the environment
In many cases, diseases start with pathogens in the environment. Many different living and non-living things can be
pathogens. Bacteria and viruses are examples of pathogens. Many pathogens are carried from one place to another by
insects and animals. These living things are called carriers. Ticks are carriers of Lyme disease. Wearing long sleeves
and using insect spray can reduce your risk of getting Lyme disease. Bacteria are one-celled organisms. Many kinds
of bacteria are actually helpful. Bacteria in your large intestine help break down waste matter in your body. But, some
bacteria can make you sick. For example, an open cut can become infected by bacteria.
pathogens. Bacteria and viruses are examples of pathogens. Many pathogens are carried from one place to another by
insects and animals. These living things are called carriers. Ticks are carriers of Lyme disease. Wearing long sleeves
and using insect spray can reduce your risk of getting Lyme disease. Bacteria are one-celled organisms. Many kinds
of bacteria are actually helpful. Bacteria in your large intestine help break down waste matter in your body. But, some
bacteria can make you sick. For example, an open cut can become infected by bacteria.
1. What can a person do to reduce their risk of Lyme disease?
2. What are bacteria and are all bacteria harmful?
3. What is an example of bacteria being helpful and an example of it being harmful?
Level 3
Name:
Date:
Subject: Pathogens in the environment
HOMEWORK#2
Directions: Answer using complete sentences! Use the information you have been given to answer
questions about: Pathogens in the environment
questions about: Pathogens in the environment
In many cases, diseases start with pathogens in the environment. Many different living and non-living
things can be pathogens. Bacteria and viruses are examples of pathogens. Many pathogens are carried from
one place to another by insects and animals. These living things are called carriers. Ticks are carriers of Lyme
disease. Wearing long sleeves and using insect spray can reduce your risk of getting Lyme disease. Bacteria are
one-celled organisms. Many kinds of bacteria are actually helpful. Bacteria in your large intestine help break
down waste matter in your body. But, some bacteria can make you sick. For example, an open cut can become
infected by bacteria. Viruses are microscopic structures that cause disease. Viruses are an unusual kind of
pathogen because they are not really alive. However, they can multiply, or reproduce inside living cells.
things can be pathogens. Bacteria and viruses are examples of pathogens. Many pathogens are carried from
one place to another by insects and animals. These living things are called carriers. Ticks are carriers of Lyme
disease. Wearing long sleeves and using insect spray can reduce your risk of getting Lyme disease. Bacteria are
one-celled organisms. Many kinds of bacteria are actually helpful. Bacteria in your large intestine help break
down waste matter in your body. But, some bacteria can make you sick. For example, an open cut can become
infected by bacteria. Viruses are microscopic structures that cause disease. Viruses are an unusual kind of
pathogen because they are not really alive. However, they can multiply, or reproduce inside living cells.
1. Explain what bacteria are, and give an example of how it can be helpful to the body and how it
can be harmful to the body.
can be harmful to the body.
2. Explain what viruses are, and why they are an unusual kind of pathogen.
3. Explain what they can do inside of living cells.
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