Fraternal twins:
A) share 75% of their genes.
B) are exact genetic copies of each other.
C) develop from two different eggs fertilized by two different sperm.
D) are more genetically similar than are ordinary siblings.
C) develop from two different eggs fertilized by two different sperm.
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While Walter is out riding, his horse suddenly rears up when a small animal scurries across the path. Based on the Cannon-Bard theory of emotions, Walter should report,
a. "I feel terrified because my heart is racing.". b. "My heart is racing because I am terrified.". c. "My racing heart must mean I'm terrified because this situation is dangerous.". d. "The rearing of the horse makes my heart race and it makes me feel terrified.".
Research methods designed for making careful, systematic observations are called ____
a. correlational methods b. inferential methods c. experimental methods d. descriptive methods
When our present population is sorted according to age, the resulting graph is approaching a demographic
pyramid. square. circle. oval.
The kind of behavioral data which is collected in actual, everyday situations is called:
a. Q-data b. G-data c. A-data d. L-data