A friend of yours calls to say that his car would not start this morning. He asks for your help. You say that you think the battery must be dead. If so, then jump-starting the car from a good battery will solve the problem. In doing so, you are _____
A) testing a theory for why the car will not start
B) making observations to inspire a theory for why the car will not start
C) stating a hypothesis and using that hypothesis to make a testable prediction
D) comparing multiple hypotheses for why the car will not start
Answer: C
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An open space within the gastrula is the _____
A) ectoderm B) mesoderm C) archenteron D) endoderm E) neural crest cells
The concept of homeostasis originated with
A. Claude Bernard. B. Charles Darwin. C. James Watson. D. Rosalind Franklin. E. Gregor Mendel.
Which of the following statements is CORRECT?
a. Convergent evolution results in unrelated organisms developing very dissimilar traits. b. A bird's eye is analogous to a whale's eye. c. A bat's wing is homologous to a moth's wing. d. Adaptive radiation is a special case of divergent evolution. e. Natural selection plays only a small role in the process of adaptive radiation
Which of the following is a distinct advantage of active immunity over passive immunity?
A. Active immunity provides IgG whereas passive immunity provides IgM. B. Active immunity enables the development of immunologic memory, whereas no memory develops with passive immunity. C. Active immunity develops very quickly whereas passive immunity may take months to develop. D. Active immunity is always natural whereas passive immunity is frequently artificial.