A) ectoderm
B) mesoderm
C) endoderm
D) trophoblast
B) mesoderm
C) endoderm
D) trophoblast
A. a belief.
B. an attitude.
C. motivation.
D. a conviction.
Answer: B. an attitude.
Who devised a theory of color vision as well as conducted research on audition?
a. ?Cajal b. ?Fechner c. ?Wundt d. ?Helmholtz e. ?Weber
The __________ becomes the nervous system.
Which of the following theories says that attitudes follow behavior?
A. attribution B. schema C. self-esteem D. self-perception
What is referred to as an all or nothing event?
A. neural plasticity B. neurotransmitter antagonism C. refractory periods D. resting potentials E. action potentials