Which group uses light energy to break down organic molecules from their environment?
a. eukaryotic photoautotrophs
b. bacterial photoautotrophs
c. eukaryotic photoheterotrophs
d. bacterial photoheterotrophs
e. all chemoheterotrophs
d
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The arrangement of organisms into groups is best described as ________.
A. identification B. taxonomy C. classification D. systematics
All of the following are appropriate strategies for overcoming drug resistance in bacteria except
A. decreasing the use of antibiotics in agriculture. B. prudent use of antibiotics when treating viral infections. C. heightened infection control in health care facilities. D. patient compliance with dosage instructions when taking antibiotics.
Which molecule is our primary source of
energy?
a. protein b. fatty acids c. carbohydrates d. nucleic acids e. triglycerides
Temperate grasslands and temperate deciduous forests are two different biomes that are located in the same latitudes. Which one of the following abiotic conditions is most likely to account for the differences in their community composition?
A. Sunlight B. Temperature C. A rain shadow D. Precipitation E. Soil nutrients