An Investigator Trying to Demonstrate Lamarckian Evolution Tested Rats' Ability

Multiple Choice

An investigator trying to demonstrate Lamarckian evolution tested rats' ability to learn a swimming maze,and then bred those rats and demonstrated that the next generation learned faster.What was the flaw in this study?​

A) The original study had no control group.
B) ​The original study failed to provide an operational definition of learning.
C) ​The original study used an unusual strain of rats.
D) ​The researcher in the original study failed to keep adequate records.