The effects of elevated atmospheric CO2 concentrations
A. have the potential to alter the nutritional status of plants.
B. have the potential to allow herbivores to eat less plant matter.
C. have no effect on nutrient levels found in plant leaves.
D. allow the plant to use O2 more efficiently in photosynthesis.
E. cause an increase in rubisco production.
A. have the potential to alter the nutritional status of plants.
If the nitrogen availability does not increase along with the carbon dioxide, the tissues of the plant will be deficient in nitrogen and other macronutrients. This means that other organisms would need to eat more plant mass to obtain adequate nutrition.
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The major class(es) of antibiotics that inhibit protein synthesis is/are
A. aminoglycosides. B. tetracyclines. C. macrolides. D. bacitracins. E. aminoglycosides, tetracyclines, AND macrolides.
Which sea turtle can tolerate cold temperatures?
a. Leatherback b. Kemp's ridley c. Green d. Hawksbill e. Loggerhead
A major difference between prokaryotes and eukaryotes is that although prokaryotes
A. do not have a nucleus, eukaryotes have a nucleus in their cells. B. have chloropast for photosynthesis, eukaryotes do not. C. have mitochondria, eukaryotes do not. D. have DNA, eukaryotes only have RNA. E. have cell walls, eukaryotes do not.
Building roads, parking lots, buildings and bridges all contribute to:
a. biotic pollution. b. commercial harvest. c. habitat destruction. d. ex situ conservation. e. restoration ecology.