Infant mortality decreased as the Industrial Revolution occurred. What situation resulted from the decrease in infant mortality?
A. boom and bust cycles of the population growth rate
B. an increase in the population growth rate
C. a stabilization of the population growth rate
D. a decrease in the population growth rate
Ans: B. an increase in the population growth rate
You might also like to view...
Which of the following is not an accurate comparison of human and insect respiratory
systems?
a. The insect tracheal system provides a large surface, while the lungs have only a small surface-to-volume ratio. b. Oxygen is transported via the circulatory system in humans, but the tracheal system in insects is separate from body fluids. c. Only humans can increase airflow using ventilation. d. Both gas exchange systems consist of a system of tubules to transport gases.
Muscle fatigue is a result of
1.accumulation of lactic acid. 2.exhaustion of available ATP. 3.reduction in lactic acid. 4.failure of calcium channels to open after prolonged use. 5.inactivity of muscles for prolonged periods of time.
In eukaryotes, precursor mRNA molecules are processed in the
A) ribosomes. B) nucleus. C) mitochondria. D) cytoplasm. E) nucleolus.
The response initiated by protein kinase A is terminated by
a. inactivation of the initial receptor. b. inactivation of the stimulatory G protein. c. degradation of cAMP. d. dephosphorylation of phosphoproteins by protein phosphatase 1.