What happens when two populations become geographically separated from each other and then genetic divergence occurs?
A) Continental drift
B) Allopatric speciation
C) Temporal isolation
D) Sympatric speciation
E) The founder effect
B
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Surgical removal of the pancreas would
A. increase the acidity of the small intestine. B. prevent the production of chyme in the stomach. C. eliminate the ability to store bile in the gallbladder. D. block the secretion of bile. E. All of these changes would be a result of pancreas removal.
Which of the following pertaining to a cut corpus callosum is FALSE?
a. The right hemisphere doesn't know what the left hemisphere is doing. b. The right hemisphere directed the writing of COW but the person could not say what the word was. c. The right hemisphere directs motor activity on the left side of the body. d. The left hemisphere processes language. e. Information between the right and left hemispheres was shared, but reduced by 50 percent.
The rate and depth of normal breathing are determined by
A) oxygen levels in the blood. B) carbon dioxide levels in the blood. C) a pacemaker in the diaphragm. D) a pacemaker in the intercostal muscles. E) carbon monoxide levels in the blood.
Most of the bacterial genomes described in the text have fewer than ________
A) 500 genes B) 5000 base pairs C) 50 genes D) 10,000 genes E) 10,000 base pairs