Monday, May 4, 2020

May 7th, 2020 Pathogens in the Environment

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
 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.


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
 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.


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
 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.
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.



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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