The first one, cause their trying to make it a positive way to reinforce. Which just means their trying to fix something again
The answer to this question is:
true
Yes biotic means living or once living. it was living at one point so yes its biotic
He found that the recessive trait such as the short plants disappeared, but only the dominent trait stayed which is tallness. When he allowed them to self pollinate, the recessive gene which is the shortness reappeared.
