Photosynthesis and cellular respiration are examples of ____
a. anabolism
b. catabolism
c. synthesis
d. metabolism
e. cleavage
D
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CO2 and other gases, which absorb the longer wavelengths of infrared light and radiated heat from Earth, are responsible for causing the
A. ozone layer depletion. B. greenhouse effect. C. decreased biodiversity. D. acid rain.
The eight climographs below show yearly temperature (line graph and left vertical axis) and precipitation (bar graph and right vertical axis) averages for each month for some locations on Earth
Which climograph shows the climate for location 1? A) A B) C C) E D) G E) H
Managers of power-line rights-of-way in the northeastern United States have discovered that dense shrub thickets, once established, can prevent establishment of forest trees. By maintaining shrubs under power lines, managers can greatly reduce the maintenance expenses (for mowing or herbicide application) normally associated with prevention of tree growth beneath power lines. Of which mechanism of succession are these managers taking advantage?
A) facilitation B) inhibition C) tolerance D) none of the above
Which of the following is believed to have given rise to eukaryotes?
A. Ectosymbiosis B. Endosymbiosis C. Episymbiosis D. Ectendosymbiosis