Fill in the Blank Questions 35.A typical number of mates an animal has during its breeding season is known as the _______. 36.Long range two-way movement behavior in animals is termed ___________. 37.Behavior can be defined as the way an animal responds to a ________ in its environment. 38.The field of _____ focuses on the ultimate cause of animal behavior in natural conditions. 39.As an animal matures, it may form preferences or social attachments to other individuals. This is referred to as ________. Â Â