Humus includes all of the following EXCEPT
a. feces.
b. dead organisms.
c. leaf litter.
d. weathered rock.
e. decomposing organic matter
D
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Histamines
a. are produced by phagocytes to cause mucous production. b. are produced by mast cells to cause prostaglandin production. c. are produced by complement to attract phagocytes. d. are produced by mast cells to cause capillary dilation. e. are produced by complement to cause capillary constriction.
An anther is
a. composed of a stigma, a style, and an ovary. b. the mature male gametophyte. c. the site where microspores are produced. d. part of the vegetative phase of an angiosperm. e. none of these.
What process will follow glycolysis, if oxygen is not available?
A) fermentation B) cellular respiration C) phosphorylation D) the conversion of CO2 into O2
Based on the temperature range and precipitation, the area on Figure 56-1 labeled 3 represents which of the following biomes?
a. savanna
b. temperate deciduous forest
c. temperate rain forest
d. taiga
e. tundra