The environmental hypothesis on the origin of IQ is most directly tested by studies that look at
a. stereotype threats endured by high-income Caucasians.
b. cross-ethnic adoptions.
c. genotype qualities of the cells.
d. food or healthcare provided by parents to children.
Question 2
The cumulative aspect of development implies that
a. development is intentional or planned.
b. changes during the lifespan are haphazard and random.
c. one's earlier experiences can have important implications for the future.
d. the person thinks about his or her own traits.
Four hypotheses on how populations might relate to one another along an environmental gradient.
Insect species diversity on British host trees supports the area hypothesis.
Long-term studies of the Glanville fritillary butterfly, Melitaea cinxia, have provided exceptional
Origin of the Geosphere
Physical Geography and Environmental Issues
Microbes that have become model organisms for genetic studies