B) increase the number of microorganisms.
Rotifers are small aquatic animals that feed on microorganisms such as bacteria and algae. By increasing the number of microorganisms in the flask, there will be more food available for the rotifers, which will increase their carrying capacity. Decreasing the size of the flask or decreasing the number of microorganisms would have the opposite effect and decrease the carrying capacity. Introducing water fleas may also increase the carrying capacity, but it depends on the specific interactions between the rotifers and water fleas.
Which action may increase the flask’s carrying capacity for rotifers?
A) decrease the size of flask
B) increase the number of microorganisms
C) introduce water fleas
D) decrease the number of microorganisms
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