Human beings are somewhat unusual among primates in the length of their life span beyond their productive years. This may have provided an adaptive advantage over the course of evolution and is known as ____.
a. the wisdom of elders
b. the grandmother effect
c. survival of the fittest
d. the grandfather effect
Question 2
Which of the following best describes the relationships of older adults?
a. Older adults have more friendships than younger adults.
b. Older adults are more likely than younger adults to form new friendships.
c. Older adults do not gain significant benefits from their friendships.
d. Older adults often find their relationships with siblings especially meaningful.
The Scale of Life 1
The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig
Demographic change and the effect on people social, and economic life
The regions of the human X chromosome distinguished by its banding pattern
Selected Broad Sense Heritability (H2) Values from Human Twin Studies