The major body part(s) derived from ectoderm is/are
A) the nervous system and skin.
B) bone tissue.
C) the respiratory tract, urinary bladder, and urethra.
D) the liver and pancreas.
A) the nervous system and skin.
You might also like to view...
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If two black, solid dogs were crossed several times and the total offspring were eighteen black, solid and five black, spotted puppies, the genotypes of the parents would most likely be a. Bb Ss ? Bb Ss. b. Bb Ss ? Bb SS. c. BB Ss ? Bb ss. d. BB Ss ? Bb Ss. e. Bb ss ? Bb SS.
Blood tests for cancer detect the presence of ____
a. cancer cells b. DNA c. carcinogens d. tumor markers e. enzymes
As long as your sample is large enough, you don't have to worry about using the sample standard deviation in place of the unknown population standard deviation in constructing a confidence interval because ________.
A. for low degrees of freedom, the t-distribution is similar to the standard normal distribution B. the sample standard deviation is an efficient estimator of the population standard deviation C. for all degrees of freedom, the t-distribution is bell-shaped D. for a large sample, the t-distribution is similar to the standard normal distribution
If an arteriole has a radius of 64 micrometers (?m) and a capillary in the same organ has a radius of 8 ?m, what is the difference in resistance in blood flow between the two?
A. The resistance in the arteriole is 96 times the resistance in the capillary. B. The resistance in the capillary is 48 times the resistance in the arteriole. C. The resistance in the arteriole is 6 times the resistance in the capillary. D. The resistance in the arteriole is 48 times the resistance in the capillary. E. The resistance in the capillary is 6 times the resistance in the arteriole. F. The resistance in the capillary is 96 times the resistance in the arteriole.