Impetigo can be caused by
A) Staphylococcus aureus.
B) Staphylococcus epidermidis.
C) Streptococcus pyogenes.
D) both Staphylococcus aureus and Streptococcus pyogenes.
E) both Staphylococcus epidermidis and Streptococcus pyogenes.
D
Bloom's Taxonomy: Comprehension
Section: Bacterial Diseases of the Skin and Wounds
Learning Outcome: 19.8
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Meerkats are small desert mammals that live in groups of 20–50 animals. You observe one meerkat standing upright on a stump, looking around, while other meerkats forage for food. You hypothesize that this is an example of kin selection
What additional information would you need to know to evaluate your hypothesis? A. the body size of this meerkat relative to other members of the group B. the gender of this meerkat as well as that of all other members of the group C. the degree of genetic relatedness of this meerkat to all members of the group D. all other activities of this meerkat as well as those of all other members of the group E. the foraging success of this meerkat as well as that of all other members of the group
Answer the following statements true (T) or false (F)
1. In osmosis, water moves from an area of higher to lower solute concentration. 2. If an animal has a concentration of one substance in its body identical to the concentration of that substance in the environment, this will also be the case with all other substances (i.e., if it conforms with one substance, it will conform with all substances). 3. Homeostasis refers to the property of maintaining particular physiological variables such as body temperature and solute concentrations absolutely constant. 4. Positive feedback loops are more common than negative feedback loops in animal physiological function.
The male part of a flower is the
A. petal. B. pistil. C. sepals. D. stamen.
You have discovered a kind of bird which has adapted to become aquatic. What would you expect if it lives submerged in freshwater?
What will be an ideal response?