What was the population density of the original sample? What would have happened if you had inoculated an agar plate with 1 mL of the original sample?

The sample was at a population density of 8.75x10^4 CFU/mL originally.

Explanation:

Had it been inoculated in the way as described in the question statement, the bacterial growth would have covered all of the agar plate and we would not have been able to distinguish individual colonies of bacteria. 1 mL is too much of a sample volume to use in cases like these.

the dark variety, as they are not visible on the dark tree barks

explanation:

this is a good question! i'll do some research and come back when i have the answer!