Who among the following was of the strong opinion that acquired characteristics are inherited?

Weismann cut off the tails of mice generation after generation,but the tails neither disappeared nor shortened,showing that:

Who wrote the book "Origin of Species"?

Weismann cut off the tails of mice for several generations. However,the tail did not disappear or become shorter,which shows that ...........

Who proposed the theory of use and disuse of organs?

The idea of use and disuse of organs was given by