An interesting feeding behavior of the Wilson's storm petrel is
a. plunging to great depths into the ocean in search of food.
b. using their feet to paddle just below the water's surface so they appear to be walking on the surface.
c. catching a clam and then dropping it over rocks to break it up.
d. stealing eggs from nesting birds while the parents are sitting on the eggs.
e. skimming over the water surface with its beak partially immersed.
B
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What enzyme is responsible for replicating the ends of chromosomes in a eukaryotic cell?
a. DNA polymerase b. RNA polymerase c. primase d. telomerase
Anabolic reactions do not ________.
Fill in the blank(s) with the appropriate word(s).
The primary cause of desertification in the world today is
a. increased salinity resulting from irrigation practices. b. overgrazing of marginal lands. c. clearing and degradation of tropical forests. d. herbicide and fertilizer runoff. e. use of water for industry.
Which term refers to muscles that are attached to bones, and cause bones to move at their joints when they contract?
A. skeletal muscles B. smooth muscles C. involuntary muscles D. ligament tissues E. cardiac muscles