What likely caused the slight increase of mean poison ivy biomass in the control plots?
A) random experimental error
B) an increase in atmospheric CO2 levels
C) There were more poison ivy plants in the control plots to begin with.
Answer: B
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The name for the disease with edema in the semicircular canals causing hearing loss, ringing in the ears, and vertigo is:
A) Hertz. B) Rinne. C) Meniere. D) Weber.
Which of the following is a nonresource (or nonconsumable resource) that can influence the outcome of competition among plant species?
A) temperature B) light C) water D) nitrogen
Discuss some negative implications of recombinant DNA technology. What will be an ideal response?
The future of GM organisms is encouraging. A project is underway to produce a GM chicken that is incapable of ________
A) reproducing but containing twice as much breast meat B) spreading avian influenza C) regulating the number of eggs laid D) contracting avian influenza