What is the causative pathogen for bubonic and pneumonic plague?
A. Yersinia pestis
B. Yersinia enterocolitica
C. Yersinia pseudotuberculosis
D. Salmonella enterica
E. Salmonella flexneri
Answer: A
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Indicate whether the statement is true or false.
For a complex trait that is observed less frequently in a given sex in a given family, the recurrence risk for this trait is
____________________ for future children of that sex.Fill in the blank(s) with the appropriate word(s).
Carbon dioxide can be released into the atmosphere by all of the following EXCEPT:
a) volcanic eruptions b) photosynthesis c) cellular respiration d) burning of fossil fuels
Many animal trainers give rewards to an animal when it performs a behavior correctly. This type of learning is called
a. insight learning b. operant conditioning c. imprinting d. innate learning e. habituation