The two greatest reasons for the increasing demand for power are:
A. reduced efficiency in appliances
B. population growth
C. relaxation of government regulations
D. increased consumption
E. reduced resources
F. global warming
G. hole in ozone layer
Answer:
B. population growth
D. increased consumption
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The inherited mechanisms that protect the body from pathogens are called ____
a. the immune system b. vaccination c. restriction endonucleases d. the pathogen defense system e. immunological tolerance
Eyes are sensory organs that hold:
a. chemoreceptors b. mechanoreceptors c. photoreceptors d. nociceptors e. olfactory receptors
You have a sample of cat emesis (vomit) and find worms in the sample. The cylindrical worms are
long and slender, pointed at each end, with no other distinguishing characteristics. They are members of the phylum:A. Platyhelminthes. B. Nematoda. C. Cnidaria. D. Annelida. E. Nemertea.
The oxygen transporting pigment found in the system depicted in Figure 44-1 is most likely:a
hemoglobin. b. hemolymph. c. hemocyanin. d. globulin. e. erythropoietin