The ultimate evolutionary benefit to a male white-crowned sparrow's singing is to ____
a. attract a mate
b. defend his territory
c. advertise his availability as a sire
d. intimidate rival males
e. produce surviving offspring
E
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Most vitamins are coenzymes
__________________ Indicate whether the statement is true or false.
What are the advantages of bipedalism?
A. Enables an adult to carry an offspring easier. B. Allows the hands to be free for tool use. C. Would allow the individual to spot danger further away. D. Would have allowed males to forage for food more efficiently. E. All of these are advantages of bipedalism.
A ____________ metabolizes the organic matter of dead organisms.
A) parasite B) saprobe C) photoautotroph D) all of the above
All of the following could be reasons why antimicrobic treatment fails except
A) A mixed infection where some of the pathogens are drug resistant. B) A disk diffusion test showing pathogen sensitivity to the antimicrobic. C) The inability of the drug to diffuse into the infected body compartment. D) Not completing the full course of treatment. E) Diminished gastrointestinal absorption due to an underlying condition or age.