Snake behavior in Wisconsin changes throughout the year. For example, a snake is _____
A) less active in winter because the food supply is decreased
B) less active in winter because it does not need to avoid predators
C) more active in summer because that is the period for mating
D) more active in summer because it can gain body heat by conduction
D
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Match the following items with the correct phrases.
_______1. Example of the immunity that results from the body's response to an invading microorganism. _______2. Example of the immunity that results from the body's response to a vaccine. _______3. Example of antibodies that a person receives in an injection of gamma globulin (immune serum globulin). _______4. Examples of maternal antibodies that a fetus receives across the placenta and maternal antibodies that an infant receives in colostrum. a. artificial active acquired immunity b. artificial passive acquired immunity c. natural active acquired immunity d. natural passive acquired immunity
What is the environmental advantage of using strip logging?
1.Runoff from the cleared area rolls down to the previously logged region below.
2.Small strips of logged areas can provide wildlife corridors.
3.The road is cut along a streambed to avoid disrupting the forest ecosystem.
4.Strip logging involves planting strips of different species to try to increase biodiversity.
What type of symbiotic relationship is exemplified by athlete's foot?
A. Commensalism B. Atavism C. Mutualism D. Parasitism
The polyomavirus known as BK may establish latent infection of
A. B lymphocytes. B. liver cells. C. bone marrow stem cells. D. nerve cells. E. kidney cells.