Which of the following statements regarding biogeochemical cycles is incorrect?
A. Cycles are simple systems between living and nonliving components.
B. Recycling keeps nutrients in balance.
C. All organisms directly participate in recycling.
D. Elements cycle through biotic and abiotic environments.
E. All elements originate from a nonliving, long-term reservoir.
Answer: A
You might also like to view...
Which panel of the figure contains the recombinant
DNA plasmids that will be incorporated into a host cell? a. A b. B c. C d. D e. none of these
The blood-brain barrier consists of
a. membranes surrounding the neurons of the brain. b. cells lining the wall of the brain capillaries. c. vesicles of cerebrospinal fluid. d. the cerebral cortex. e. the meninges.
Gap1 of the cell cycle represents the time when the cell is doing what it is supposed to do as part of its cell type. In other words, that is when a liver cell is doing its function as a liver cell.
a. true b. false
What type of staining would you perform if you suspected a sample contained Mycobacterium Leprae?
A) Acid-fast staining B) Endospore staining