Transient microorganisms are less associated with the skin than resident microorganisms.
A) True
B) False
A) True
Feedback: Transient bacteria are temporarily present on the surface of the skin
You might also like to view...
How is a fetus able to extract O2 from its mother's blood?
A. Fetal hemoglobin has a higher affinity for O2 than maternal hemoglobin. B. Fetal hemoglobin has a lower affinity for O2 than maternal hemoglobin. C. The pO2 of fetal blood is higher than the pO2 of maternal blood. D. Fetal blood has a higher concentration of hemoglobin than maternal blood. E. The maternal blood mixes with the fetal blood in the placenta to provide O2.
Peter and Rosemary Grant study natural selection in finches on the Galápagos Islands. They have hypothesized that dry condition produce larger seeds and may result in larger beaks in succeeding generations of finches. The figure below shows their data from 1976 and 1987. The y-axis is the number of birds measured and the x-axis is the beak depth. Does their data support their hypothesis and why?
A. yes; because there were more birds measured in 1978 after the drought, therefore they must have been able to get food and reproduce.
B. yes; because the average beak depth of birds in the population increased from 8.8mm in 1976 to 9.8mm in 1978.
C. no; because even though more birds were measured in 1978, the beak size of the upper range was smaller.
D. no; because in 1976, before the drought, the largest beak depth was still 11.3mm.
E. no; more data would be necessary to show a support of their hypothesis.
“Toilet training” children involves their control of the
1.internal urethral sphincter. 2.urinary bladder. 3.kidneys. 4.Bowman’s capsule. 5.external urethral sphincter.
Virus receptors are often not distributed uniformly over the surface of host cells, but are instead concentrated in lipid rafts.
Answer the following statement true (T) or false (F)