During the period of the embryo, the neural tube develops from the

a. pancreas, an important organ.
b. endoderm, the inner layer of the embryonic disk.
c. mesoderm, the middle layer of the embryonic disk.
d. ectoderm, the outer layer of the embryonic disk.


D

Psychology

You might also like to view...

Emily has an intense interest in food but eats sparingly and with disgust. She has a deep fear of becoming obese, and even though she looks emaciated, she still claims she "feels fat" and refuses to eat enough to maintain even a minimal normal body weight for her frame. She is most likely suffering from __________.

A. anorexia nervosa B. bulimia nervosa C. hormone under secretion D. leptin reduction

Psychology

Tom and his friends exercise daily and never smoke or consume alcohol. It is likely that Tom and his friends are above average in

a. neuroticism. b. agreeableness. c. conscientiousness. d. openness to experience.

Psychology

Teens who communicate with peers online frequently tend to feel ____ their friends than teens who do not use online communication

a. closer to b. more distant from c. more similar to d. more different from

Psychology

Treatment of vulvovaginal candidiasis includes using ____

a. an antibiotic c. antifungal cream/suppositories b. medicated douches d. condoms during intercourse

Psychology