Leeches belong to the phylum
a. Arthropoda.
b. Mollusca.
c. Annelida.
d. Cnidaria.
d
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Eukaryotes conduct all of the photosynthesis that occurs in the ocean
A. false B. true
A ____ mechanism controls body temperature in the human body by reversing the body's attempt to generate heat
when body temperature rises.
a. positive feedback b. inhibition c. negative feedback d. cyclical feedback e. none of these
The highest percentage of non-coding DNA is found in:
a. genes. b. bacteria. c. eukaryotes, with the exception of yeasts. d. viruses. e. yeasts
Which is incorrect about food-borne illnesses?
A. The top viruses that cause food-borne illnesses are Norwalk and Hepatitis A viruses. B. Reports of food poisoning are decreasing in the United States. C. Avoiding cross contamination in the kitchen can reduce the risk of food poisoning. D. Most cases of food poisoning occur in the home and are not reported. E. Food infection is associated with ingesting whole microbial cells.