Climate change leads to ____, which releases additional carbon dioxide into the atmosphere
a. increased frequency and severity of forest fires
b. increased logging
c. increased size of polar ice caps
d. sea level reductions
e. increased severity of volcanic eruptions
ANSWER: a
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A motor neuron and the muscle cells it synapses with form a(n)
a. active site. b. action potential. c. motor unit. d. cross bridge. e. motor network.
A competitive inhibitor will affect the ________ of an enzymatic reaction
A) Km B) Vmax C) S D) P E) both Km and Vmax
The ectosymbionts of ruminant animals are useful to their hosts in which of the following ways?
A. They convert glucose to organic acids. B. They digest the cellulose of plant cell walls. C. They produce most of the vitamins needed by the ruminant. D. All of the choices are correct.
The longer the light remained lit, the greater the cost of thermoregulation.
a. true b. false