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Question
Biology
Posted 4 months ago
What would happen to the original sample population density if you had inoculated one of the agar plates with 
1mL of the original sample
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Answer from Sia
Posted 4 months ago
Answer
The original sample population density would decrease.
Solution
a
Inoculation: When you inoculate 1mL of the original sample onto an agar plate, you are removing that volume from the original sample
b
Volume Reduction: The removal of 1mL from the original sample reduces the total volume of the sample
c
Population Density: Population density is defined as the number of organisms per unit volume. By removing 1mL, the number of organisms in the original sample decreases, thus reducing the population density
Key Concept
Population Density
Explanation
Population density is the number of organisms per unit volume. Removing a portion of the sample decreases the number of organisms in the remaining volume, thus reducing the population density.

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