Which of the following best describes picoheterotrophs?
A) They are anaerobic microorganisms that decompose biomass through fermentation.
B) They carry both photosynthesis and chemosynthesis.
C) They are common microscopic aerobic decomposers in both terrestrial and marine ecosystems.
D) They are minute parasites of many species of terrestrial plants and marine algae.
C
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By pumping water from the Ogallala aquifer to grow corn, we are using up a nonrenewable resource to make __________ fuel to run our vehicles.
Fill in the blank(s) with the appropriate word(s).
Animated maps have become popular with GIS users, as the maps to be animated can now be prepared in a GIS package. Describe an example, in which animated maps, either temporal or non-temporal, are useful as a visual tool.
What will be an ideal response?
List three types of radioactive decay. For each type, describe how the atomic number and the atomic mass change
What will be an ideal response?
Services at the national, state, and local level are
A) transportation and communications services. B) government services. C) wholesale and retail trade services. D) consumer services. E) producer services.