The umbilical cord connects the
a. amnion and chorion.
b. blastula and zygote.
c. heart and lungs.
d. embryo and placenta.
d
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Chapter 10 discussed a study by Clark and Wilkes-Gibbs in which two people try to communicate about the order in which various geometric figures are to be arranged. The research showed that
a. people could not accomplish this task unless they were close friends. b. people soon developed a shorthand communication system. c. people typically increased their hand gestures at the same time that they decreased their verbal output. d. people seem to remain fairly stable across trials in terms of the number of turns required to agree upon a figure.
Research on academic achievement and locus of control typically finds
A. internals perform better academically, but this difference does not surface until students reach college. B. externals perform better academically, but this difference disappears when students reach college. C. internals perform better academically, and this seems to be true at all age levels. D. externals perform better academically, and this seems to be true at all age levels.
In his research on problem solving in chimpanzees, Kohler concluded that the chimp suddenly solved a problem and reached the banana because of
a. intelligence. c. environmental clues. b. reinforcement. d. insight.
Hemophilia is a type of sex-linked genetic abnormality
Indicate whether the statement is true or false