Question

To accurately test whether the rate of metabolism in goldfish is altered by some variable, you should compare the __________ between control and experimental trials.

Answer 1

Answer: The correct answer is : oxygen concentration / second / gram of fish

Explanation: Fish were used in the metabolism experiment because the fish have a variable body temperature and a metabolic rate that is influenced by the environment. The goldfish is an ectotherm and it is not necessary in the laboratory to wear gloves to handle this fish.