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- 1. Multiple Choice
Which is the smallest?
The Universe.
A cell.
Earth.
A dog.
- 2. Multiple Choice
What is in the petri dish?
About twenty microorganisms.
Shiny rainbows.
Millions of microorganisms.
One microorganism.
- 3. Multiple Choice
Something very tiny can be described as ...
cell
microscopic
mold
microscope
- 4. Multiple Choice
We have microorganisms ... our bodies.
in
on
in and on
neither in nor on
- 5. Multiple Choice
Amoebas are alive because they ...
respond to their environment
grow and develop
use energy
all of the above
- 6. Multiple Choice
Different kinds of bacteria in our gut can be ...
beneficial to the human body.
harmful to the human body.
both beneficial and harmful to the human body.
neither beneficial nor harmful to the human body.
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