By examining fossil evidence, paleontologists believe that mammals evolved from ancestors of modern
A) arthropods. B) amphibians. C) sharks. D) lobefins. E) reptiles.
E
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Which of the following locations is the main reservoir for nitrogen in the nitrogen cycle?
A) atmosphere B) sedimentary bedrock C) fossilized plant and animal remains (coal, oil, and natural gas) D) plant and animal biomass E) soil
Describe the astronomical conditions that give rise to the extreme spring tides during certain periods of the month
What will be an ideal response?
An individual suffers a bite from a bat, resulting in the transmission of the virus that causes rabies. In this case, how did the infection occur?
A) through direct contact B) through inhalation C) through vector-borne transmission D) through ingestion
Type I diabetes is a(n)
A) autoimmune disease. B) immunodeficiency disease. C) immune complex-mediated hypersensitivity disorder. D) delayed hypersensitivity disorder. E) immediate hypersensitivity disorder.