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.
Answer: B
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The animal in the above figure is using ____
for protection. a. mimicry b. display behavior c. warning coloration Community Ecology 416 d. chemical defenses e. camouflage
Hypotheses are
a. often in the form of a statement. b. often expressed negatively. c. sometimes crude attempts to offer a possible explanation for observations. d. testable predictions. e. all of these.
In addition to Homo, another genus within the hominins is
A) Cro-Magnon. B) Australopithecus. C) Lemur. D) Tarsius. E) Habilis.
In the selfish herd, there is an advantage to
a. being on the outside. b. being near the front. c. being in the middle. d. being isolated. e. none of these; position is of no advantage.