A main contribution of cyanobacteria to desert crust is ____________.
A. producing starch
B. water storage
C. unburying the soil when winds blow sand over it
D. fixing atmospheric carbon
E. fixing nitrogen
Answer: E
Biology & Microbiology
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An organism that carries a disease between hosts is a
A. parasite. B. predator. C. vector. D. All of these answers are true.
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In which metabolic process is water produced?
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Which bone in the body does not articulate with any other bone?
A. coccyx B. temporal C. scapula D. hyoid E. maxilla
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