Which of these is most closely associated with Darwin?
A) energy flow
B) ecosystem structure
C) the three domains of life
D) natural selection
D
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What cyclic process results from the introduction of sewage as nutrients?
a. Biological magnification b. Decomposition c. Eutrophication d. Photosynthesis
You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. You can be sure that this bacterium is
A) gram-positive. B) using anaerobic respiration. C) a chemoautotroph. D) a photoautotroph. E) a photoheterotroph.
What are the functions of the three proteins of the Ruv complex?
What will be an ideal response?
What is the order of the taxonomic hierarchy from least specific to most specific?
A) domain, kingdom, phylum, class, order, family, genus, species B) domain, phylum, order, kingdom, class, family, genus, species C) species, genus, order, family, class, phylum, kingdom, domain D) class, order, phylum, kingdom, domain, genus, family, species E) domain, order, class, kingdom, phylum, species, family, genus