During the embryonic period of prenatal development, the mesoderm, which will become the __________, is formed.
A. skin, hair, nails, sensory organs, and nervous system, is formed
B. muscles, bones, reproductive system, and circulatory system
C. digestive and respiratory systems
D. hormonal and endocrine systems
Answer: B
You might also like to view...
Neo-Freudian Carl Jung developed a theory of personality that, among other points, categorizes people based on the orientation of their ego. The polarities are __________.
A. introversion and extroversion B. neuroses and psychoses C. psychoticism and socialism D. feminism and masculism
Sonia first trains her new dog by saying “good dog!” before giving him a food treat. She then trains her dog to sit and stay, saying “good dog!” when he provides the correct behavior; while continuing to periodically provide a food treat. Sonia is using which method(s)?
a. ?operant conditioning only b. ?operant conditioning and observational learning c. ?classical conditioning and operant conditioning d. ?classical conditioning only
What is one explanation for why more boys than girls are conceived?
A. The X sex chromosome swims faster than the Y sex chromosome. B. The Y sex chromosome swims faster than the X sex chromosome. C. There are more X sex chromosomes than Y sex chromosomes. D. There are more Y sex chromosomes than X sex chromosomes.
Infants with more crawling experience
A) are far less likely to find hidden objects. B) are less likely to remember object locations. C) are far more likely to refuse to cross the deep side of the visual cliff. D) become more fearless of the side of a bed or a staircase.