Which of the following is a way that humans have decreased the ability of infectious disease to limit human population growth?
a. migration
b. birth control
c. sanitation
d. slow population growth
c. sanitation
You might also like to view...
In a normal Drosophila embryo, a gap gene called Krüppel is expressed in the anterior end because it is activated by Hunchback protein, and this region contains a high level of Hunchback
A. true B. false
Which muscle is responsible for bending the leg at the knee and turning the foot downward?
a. Gastrocnemius b. Deltoid c. Biceps femoris d. Achilles tendon e. Latissimus dorsi
Puppies born too large experience difficulties
in birthing and tend to have respiratory and other problems. Puppies born too small often can’t compete with their siblings for their mother’s milk. Thus, puppies born not too large or too small have a survival advantage. This is an example of ___ selection.
a. directional b. stabilizing c. disruptive d. frequency e. more than one of these types of
Winds of North and South Dakota might generate
enough power to meet __________ percent of the current energy needs of the United States. a. 1 b. 10 c. 50 d. 80 e. 90