During the Spring, an Animal Engages in a Stereotypic Dance

Multiple Choice

During the spring, an animal engages in a stereotypic dance sequence whenever it sees a female. The female is best described as a ______, while the dance sequence is a ______. 

A) sign stimulus; reflex response
B) sensitizing stimulus; reflex response
C) sign stimulus; fixed action pattern
D) sensitizing stimulus; fixed action pattern