_____________ added the ‘Handicapping Principle' to the runaway sexual selection theory:

__________ has been used in mice to study the brain peptide implicated in narcolepsy

a. Electrolytic lesion b. fMRI c. Targeted mutation d. MEG e. TMS

A professor wants to examine the effectiveness of a new teaching approach. She has a theory about how this new approach will work, and will use a methodical approach to test her theory

Her 9:00 a.m. class will be exposed to the new method of viewing teaching tapes while her 10:00 a.m. class will be exposed to traditional lectures. She will assess the students' progress after six sessions. What method is the professor using to conduct her experiment? a) Intuitive b) Biological c) Environmental d) Scientific