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immune✔ infected
Real diseases tend to spread at a ✔ slowersimilarfaster rate than in this lab’s simulations.
✔ immuneinfected
Which factors remained constant in each trial? Check all that apply.the total number of peoplethe series of people who exchanged liquids with each otherthe number of people who were infected at the end of the labthe number of exchanges the number of individuals who were initially infected
In the simulation you did, the disease was transmitted every time an infected person met an uninfected person who was not immune. In the real world, these people may not have become sick. Why not? State as many reasons as you can.
In the real world, disease transmission is not guaranteed just because two people meet. First, people may not make physical contact or share biological fluids necessary for the germ to travel. Second, germs are living organisms that can die in the environment before reaching a new host. Finally, a healthy person's immune system may be able to fight off and destroy the germs before the infection causes illness or the ability to pass it to others.
What might explain the real-world results, show in the graph to the right, for one class of twenty students? Check all that apply.
Check all reasons that you mentioned.
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