Question

formation of a bond of the newborn animal to the first moving object seen
imprinting
habituation
prolactin
pheromone
anabolism

Explanation:

Imprinting is the process by which a newborn animal forms a bond with the first moving object it sees. This is a well - known concept in animal behavior. Habituation is a decrease in response to a repeated stimulus. Progesterone is a hormone. Pheromone is a chemical signal released by an animal. Anucleolus is a non - relevant term here.

Answer:

A. imprinting