The term "potable water" refers to water that is
A. safe to swim in but not drink.
B. safe to drink.
C. only good for irrigation.
D. contaminated with chemicals.
B. safe to drink.
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Low body temperature triggers adaptive responses to conserve heat. Once the integrating center detects that body temperature has risen, it will decrease these responses. What does this exemplify?
A. adaptation B. negative feedback C. positive feedback D. acclimatization
The courtship display of the wandering albatross is primarily a(n) ____display
a. acoustical b. visual c. chemical d. electrical e. tactile
Proteins are polymers whose basic chemical units are called:
a. amino acids. b. polysaccharides. c. lipids. d. cellulose. e. nucleosides.
Gene cloning can be accomplished by recombinant DNA technology and polymerase chain reactions.
Answer the following statement true (T) or false (F)