The main point of entry of water into the blood of freshwater fishes is through:a
the skin.
b. the gills.
c. the mouth.
d. the anus.
e. the eyes
B
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Mendel's famous experiments were done using which plant?
A. Corn maize. B. Pea plants C. Tomato plants D. Artichokes
A useful hypothesis typically accomplishes these two things:
A. it is falsifiable and clear B. it clearly establishes a null hypothesis and it generates a testable prediction C. it can be easily disproved and will be considered a theory if not disproved D. it frames an experiment that can shed light on the observation and guides design of the experiment
Pseudopods are found on some
A. protozoa. B. algae. C. bacteria. D. blue-green algae.
Which bacteria could be responsible for hemolytic uremic syndrome (HUS)?
A. enterotoxigeic strains of E. coli B. Salmonella C. Shigella dysenteriae D. E. coli 0157:H7 E. enteroinvasive E. coli