Fill in the blank(s) with the appropriate word(s).
homeostasis
__________ discovered the mammalian ovum
a. Konrad Lorens. b. Karl von Baer. c. E. O. Wilson. d. Ernst Haeckel.
Which of the following believe that genetic factors play a role in happiness?
a. Lykken c. Ekman b. Maslow d. Izard