The response variable in the case study: Influence of Color on Crab Spider Courtship is Gender Inflorescence Color preference The explanatory variable in the courtship portion of the study is Color preference O Presence of females O Training period The control variable in the Case Study: Influence of Color on Crab Spider Courtship is O Removable glass sliders Purple inflorescence Green background In the Case Study: Influence of Color on Crab Spider Courtship, males preferred females on which colored background? White Purple O Red In the case study: Influence of Color on Crab Spider Courtship, which color was preferred by males when females were absent? Green O Purple O Yellow O Red