C. She can’t control the salinity of the water in the field.
Performing the experiment in a lab setting allows Rebekah to have control over the levels of salinity in the water, which is important for her investigation. In the field, it may be difficult to maintain consistent levels of salinity in different environments.
Rebekah wants to investigate how a specific type of clownfish thrives in various levels of salinity. Why would she MOST likely choose to perform this experiment in the lab?
A. She won’t find clownfish in salt water, only in fresh water.
B. The equipment she needs to use won’t work in the field.
C. She can’t control the salinity of the water in the field.
D. Clownfish can be too dangerous to study in the wild.
1 answer