The correct answer is regression.
The child is regressing to a previous age when he used to wet the bed. He is now six years old, so he is supposed to be old enough not to wet the bed anymore, which was the case until his baby brother was born. Now the older child feels neglected and starts regressing to an earlier age in order to be noticed by his parents again.
Answer:
pilgrim, "a person who journeys to a sacred place for religious reasons"
Answer:
Genetic drift is the change or mutation in the gene pool over generations. It can take several generations for a genetic drift to take place in a community. But if the population of that generation is smaller, there are higher chances that the genetic drift would occur over the next very generations. Any mutilations that disrupts the natural course of genetic transfer can cause genetic drift to take place in those species.
