There are several proposed hypotheses for why many different types of animals tend to exhibit similar, if not identical, expressions of emotion. one such hypothesis, demonstrating the critical thinking concept of suggests that these reactions all share the same evolutionary origins.

One such hypothesis, demonstrating the critical thinking concept of Ledoux , suggests that these reactions all share the same evolutionary origins.

Explanation:

Joseph E. LeDoux is an American neuroscientist whose research is primarily focused on survival circuits, including their impacts on emotions such as fear and anxiety.

All animals respond equally to a dangerous situation. Each animal is the product of its own evolutionary past. The reactions change as the world in which they work changes.

Some points about expressions are :

depends.

explanation:

i think it is the third one.