Cephalization is:
A. embryonic development of the head in advance of the rest of the body
B. concentration of the sensory organs on the posterior end of the body
C. concentration of the sensory organs on the anterior end of the body
D. an evolutionary degeneration of the head as seen in some parasites
E. a malformation of the head
C. concentration of the sensory organs on the anterior end of the body
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The entire set of cloned fragments of the complete human genome is termed a
A. book of genes. B. recombinant gene. C. DNA library. D. restructured genome.
Proximate causes of behavior are causes that include all of the following except:a
genetic processes. b. developmental processes. c. physiological processes. d. evolutionary pressures. e. immediate causes.
Each year, the direct and indirect costs of psychiatric and neurological disorders in the United States amount to about:
A) $40 billion B) $400 million C) $400 billion D) $40 million
Which of the following pathogen agents is multicellular?
A) viruses B) prions C) protozoans D) helminths E) bacteria