There are measurably more synthetic ________ in conventional foods when compared to organic foods
Fill in the blank(s) with correct word
pesticides
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For which of the following diseases would animal models likely yield the most information?
a. alcoholism b. schizophrenia c. bipolar disorder d. Huntington disease e. nicotine addition
Would you expect an individual with giardiasis who has diarrhea to be more likely to transmit the disease than an individual with giardiasis who does NOT have diarrhea? Why or why not?
A. No. This illness is spread by respiratory droplets, so diarrhea as a symptom shouldn't matter for transmission of the disease. B. No. This illness is spread by sexual contact, so diarrhea as a symptom shouldn't matter for transmission of the disease. C. Yes. This illness is spread by the fecal-oral route, so presence of diarrhea as a symptom should dramatically increase the possibility of transmission of infection. D. Yes. This illness is spread by insects that feed on contaminated fecal matter, becoming infected themselves. The disease is spread to new individuals when these infected insects bite a susceptible person, transmitting the cysts of the protozoan. As such, diarrhea as a symptom would increase the risk of transmission through biting insects to new individuals. E. No. This illness is spread when people ingest cysts, and a person with severe diarrhea excretes primarily trophozoites; an asymptomatic person is more likely to excrete cysts and is therefore more infectious
The fossil record indicates that the immediate ancestors of modern marine animals diversified in the ____ period, right
after the ____ extinction.
a. Ordovician; Cambrianb. Jurassic; Triassic c. Carboniferous; Devonian d. Paleogene; Cretaceous e. Triassic; Permian
In many animals, ________ guides learning by determining what type of information can be learned, meaning that what an animal can learn is often biologically influenced.
A. consciousness B. instinct C. operance D. free will