The products of ____ are N2O and N2
a. ammonification
b. biological magnification
c. denitrification
d. nitrification
e. nitrogen fixation
ANSWER: c
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The leaves of ginkgo trees are unique because they have
A. unbranched veins. B. forked veins. C. multiply branching veins. D. veins in a netlike pattern. E. veins only around the edges.
Which statement is least consistent with the beliefs of Lamarck?
a. “Fluida” moves into areas of the body in need of change. b. Acquired characteristics are inherited. c. Giraffes' necks have become longer in response to stretching. d. Environmental pressures bring about changes in organisms. e. Changes in an individual are not passed to its offspring.
Genomics studies have shown that humans and rice share about ____ percent of their genomes
a. 1 b. 4 c. 8 d. 15 e. 25
The Calvin cycle of a plant exposed to light during the day that is suddenly put in the dark
A. cannot run, as it requires light energy directly. B. runs in a different place in the plant. C. can still run as long as there is ATP, CO2, and NADPH present. D. uses a different source of carbon.