If primary production increases in an ecosystem, it would be reasonable to expect that
A. nutrients are a limiting factor.
B. gross production would not increase.
C. cellular respiration would increase.
D. the trophic web has become more complex.
E. the biomass of herbivores would increase.
E. the biomass of herbivores would increase.
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Which of the following parameters correlates with an increase in the amount of cellular DNA?
A. decrease in cell size B. increase in cell complexity C. increase in cell size D. decrease in body complexity E. increase in cell complexity and cell size
If a double stranded piece of DNA is amplified by PCR then after 4 cycles there would be _____ copies of this DNA
1.2 2.4 3.8 4.16 5.32
In the general regression equation y = mx + b, variables m and b represent ________ and ________, respectively
A) the x-intercept, the y-intercept B) the regression line slope, the y-intercept C) the y-intercept, the regression line slope D) the y-intercept, the x-intercept E) narrow-sense heritability, broad-sense heritability
The main criteria presently used for grouping viruses does NOT include
A) structure. B) chemical composition. C) similarities in genetic makeup. D) host infected.