The portion of the nervous system that is responsible for both increasing heart rate and increasing movement of the
intestines is the ____.
a. peripheral nervous system
b. sympathetic nervous system
c. parasympathetic nervous system
d. somatic nervous system
e. interaction between the somatic and autonomic nervous systems
ANSWER: b
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An organism that can use gaseous oxygen in metabolism and has the enzymes to process toxic oxygen products is a(n) ________.
A. aerobe B. obligate anaerobe C. facultative anaerobe D. microaerophile
The morphological species concept:
a. almost always incorrectly classifies species due to homoplasies. b. is still the most accurate species concept in use. c. groups species based on similar phenotype. d. was popular among early biologists but is hardly ever used anymore. e. groups species based on how they have changed through time.
All of the following are true of biofuels EXCEPT
A) there is concern that using food products as a fuel source will reduce the global food supply and increase food prices. B) demand for biofuels has placed demands on rain-forest lands. C) these are fuels such as methane produced from renewable biological resources such as soybeans and corn. D) the goal of their use is to reduce harmful carbon dioxide emissions. E) biofuels are the only solution to our growing need for fuels in the future.
Except for ________, our cells cannot make vitamins. We must get them from our diet
Fill in the blank(s) with correct word