A bacterial "bloom" is:
A. the reproductive parts of bacteria
B. malformation of flowers caused by bacterial infections
C. unusual coloring of the water of lakes, ponds, or the sea caused by high numbers of bacteria
D. souring of milk caused by bacteria
E. swelling of a wound because of bacterial infection
C. unusual coloring of the water of lakes, ponds, or the sea caused by high numbers of bacteria
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In an annual tree ring, the wood with large
diameter, thin-walled cells is
a. called early wood. b. heartwood. c. formed from crushed phloem cells. d. produced in the winter. e. called late wood
In examining water samples preserved in glass jars over the last century, you notice a steadily declining pH. What is the most likely general explanation?
A. gradual eutrophication of water sources B. rising atmospheric carbon dioxide levels leading to gradual acidification C. dumping of acids in waterways D. mislabeling of samples E. None of the answer choices is correct.
This microbe causes syphilis
a) Chikungunya b) Chlamydia trachomatis c) Treponema pallidum d) None of the above
Vibrio vulnificus causes septicemia that is self-limiting and rarely fatal.
Answer the following statement true (T) or false (F)