This _____ factor means that there is often a connection in appearance and temperament between parents and children.

His _____ and unwillingness to learn from others prevent him from being an effective member of the team

Although each TV series will be rated on the basis of its usual content, the ratings can _____ from week to week

It was _____ and she did not know enough to analyze each problem properly.

We must try to create a more caring, more _____ society.