What might cause the disappearance of animals in the wild

People killing and eating them , people hunt the for games and food , there homes are detstroyed ,here use for there skin ,nautrol destores

Lenina is sexually attracted to john, but her conditioning has made her afraid of emotional commitment. so, she begins to be afraid of john because he is so attracted to her.  linda  was so embarrassed at actually giving birth to a child, that she never really accepts motherhood.