Why have grandparents been referred to as the family national guard?
a. They are a voluntary group.
b. They can help families in crisis.
c. They tend to perform tough tasks with little positive emotional reward.
d. They are diminishing in our society.
Question 2
Which statement best describes the impact of genetics and environment on a child's IQ?
a. At age two, maternal IQ best predicts the IQ of a child; by age four, the impact of the quality of the home environment becomes as good a predictor as maternal IQ.
b. At age two, the quality of the home environment best predicts the IQ of a child; by age four, maternal IQ becomes as good a predictor as the quality of the home environment.
c. At age two, paternal IQ best predicts the IQ of a child; by age four, the impact of the quality of the home environment becomes as good a predictor as paternal IQ.
d. At age two, of the quality of the home environment best predicts the IQ of a child; by age four, paternal IQ becomes as good a predictor as the quality of the home environment.
The family tree of HIV and related viruses
Wombat burrow and scat, Narawntapu National Park, Tasmania
Trapdoor spider (family: Ctenizidae), an ambush predator.