Question

Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. She has 3 dishes of identical bacterium samples with 15 bacteria in each dish. She gives an antibiotic to all of the bacteria in one dish. All of the treated bacteria died, and the bacteria in the other two dishes survived.
Identify the sample in the situation above.
A.
all the bacteria in the treated dish
B.
the antibiotic
C.
all bacteria everywhere
D.
all the bacteria in all 3 dishes

Answer 1

Answer:

B

Explanation:

It is given that Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. She has 3 dishes of identical bacterium samples with 11 bacteria in each dish. She gives an antibiotic to all of the bacteria in one dish. All of the treated bacteria died, and the bacteria in the other two dishes survived.

Therefore, the sample size is 33.