Studies of friendships within many animal species have found that having friends . . .
a. Helps males produce more offspring
b. Helps females live longer
c. Helps females have more infants who survive
d. All of the above
d. All of the above
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Don tells Ray he wants to get a new sports car. Ray immediately understands why, because he is familiar with the common characteristics of sports cars and knows what makes them different from family cars. Ray is using mental categories called _____
A) classes B) concepts C) attributes D) classifications
Unlike relationships with other adolescents, a teen's family relationships are generally
A) asymmetrical. B) full of storm and stress. C) based on social equality. D) open to radical change.
Using examples from the text, explain how cultural variations in infant-rearing practices affect motor development
What will be an ideal response?
People with the recessive allele for gene X are more outgoing than those with the dominant allele, but only when they live in warm climates. This is an example of a
A. gene-environment interaction. B. nature-nurture effect. C. high heritability, low environmental trait. D. low heritability, high environmental trait.